in the Matter of M. M., Jr., a Juvenile ( 2012 )


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  •                           NUMBER 13-10-00546-CV
    COURT OF APPEALS
    THIRTEENTH DISTRICT OF TEXAS
    CORPUS CHRISTI - EDINBURG
    BNSF RAILWAY COMPANY,                                                       Appellant,
    v.
    CARLOS DONAWAY,                                                              Appellee.
    On appeal from the 9th District Court
    of Montgomery County, Texas.
    MEMORANDUM OPINION
    Before Chief Justice Valdez and Justices Rodriguez and Garza
    Memorandum Opinion by Justice Rodriguez
    In this railroad accident case, appellant BNSF Railway Company challenges the
    jury's verdict in favor of appellee Carlos Donaway.       Donaway, an engineer for the
    railway, sued BNSF for injuries he alleges he sustained as a result of a collision between
    a locomotive he was driving and a set of standing railcars. By four issues, which we
    consolidate and address as three, BNSF disputes the trial court's charge to the jury on the
    "Radio Rule," which governs the communications used in shoving, backing, or pushing
    movements by trains, see 49 C.F.R. § 220.49 (2012); the trial court's failure to include an
    aggravation of injury instruction in the jury charge; and the evidence supporting the jury's
    award of past lost earning capacity. We affirm.
    I. Background1
    On March 18, 2009, Donaway was involved in an accidental collision at the Beach
    Siding       rail   yard   in   Conroe,     Texas.         Donaway       and     two     other    BNSF
    employees—conductor Robert Gaines and brakeman Patrick Horn—were picking up
    several railcars to take to another location.             To pick up the standing railcars, the
    three-man crew used two locomotives coupled together. Donaway rode the east-facing
    locomotive that was travelling backward toward the standing railcars; Gaines rode the
    west-facing locomotive that was travelling forward toward the standing railcars.
    Donaway, as engineer, was responsible for driving the locomotives; Gaines, as
    conductor, was responsible for giving Donaway directions to the standing railcars as
    Donaway was driving blind from where he sat in his backward-traveling locomotive.
    Donaway approached the standing railcars from the east, driving the locomotives west.
    He had to back the locomotives through a railroad crossing to reach the standing railcars.
    As the locomotives approached the crossing, Gaines gave Donaway directions
    over the radio in the form of "car counts."              A car count is a unit of measurement
    communicated by conductors to engineers to aid the engineer in backing operations.
    For example, if a conductor informs an engineer that he is ten cars from a crossing, the
    1
    This case is before the Court on transfer from the Ninth Court of Appeals in Beaumont pursuant to
    a docket equalization order issued by the Supreme Court of Texas. See TEX. GOV'T CODE ANN. § 73.001
    (West 2005).
    2
    engineer knows that the locomotive is ten car-lengths from the crossing. Because rail
    cars are approximately fifty feet in length, the engineer knows that the locomotive is
    approximately 500 feet from the crossing.
    Gaines began the backing operation riding outside the cab of his locomotive.
    While riding outside the cab, Gaines radioed to Donaway over his handset that the
    locomotive was twenty to twenty-five cars from the crossing. When his handset began
    malfunctioning, Gaines moved inside the cab, turned off his handset, and continued to
    give Donaway car counts from the cab radio. From the cab radio, Gaines gave Donaway
    three more counts: ten cars to the crossing; six cars to the crossing; and finally, three
    cars to the crossing. When the locomotives reached the crossing, Gaines blew the
    train's whistle and then moved back outside the cab. From outside the cab, Gaines
    began giving Donaway further car counts on the other side of the crossing, but Donaway
    did not hear these counts because Gaines had not turned his handset back on.
    It is undisputed that the last car count Donaway heard was the "three to the
    crossing" count and then heard Gaines blow the train's whistle, signaling that they were
    passing the crossing. After the last car count and whistle, Donaway continued to back
    the locomotives, continuing on the west side of the crossing and eventually colliding with
    the standing railcars.
    Donaway filed suit against BNSF, claiming that he injured his neck in the collision.
    Donaway claimed that BNSF was negligent for leaving the standing railcars too close to
    the crossing and was liable for Gaines's violation of the Radio Rule. The case was tried
    to a jury.
    After the close of evidence, BNSF moved for a directed verdict, arguing that, as a
    3
    matter of law: Gaines could not have violated the Radio Rule because it only applied to
    engineers2; and the evidence showed that Donaway violated the rule. The trial court
    denied BNSF's motion. At the charge conference, BNSF objected to the inclusion of a
    question asking the jury whether both Donoway and Gaines violated the Radio Rule; the
    trial court included the Radio Rule question as to both Donaway and Gaines.
    At the charge conference, BNSF also requested that an instruction be included in
    the charge instructing the jury that it could not include damages for any condition suffered
    by Donaway before the collision unless the condition was aggravated by the collision.
    Donaway did not object to the aggravation instruction, and the trial court allowed it. But
    when the trial court was reading its charge to the jury, it became apparent that the
    aggravation instruction had not been included in the charge; the charge included a
    pre-existing condition instruction that the parties had discussed earlier in their charge
    negotiations before settling on the aggravation instruction. 3 BNSF objected to the
    missing aggravation instruction, but the trial court overruled BNSF's objection and
    refused to include the instruction. Instead, in the charge it gave to the jury, the trial court
    made a handwritten strikeout through the pre-existing condition instruction.
    In the trial court's charge, the jury was asked whose negligence caused the
    collision; the jury answered that both BNSF and Donaway's negligence were the legal
    causes. The jury was then asked whether either Gaines or Donaway violated the Radio
    Rule; the jury answered that only Gaines violated the Radio Rule.                  The jury then
    answered that Gaines's violation of the Radio Rule was a legal cause of the collision.
    2
    BNSF also moved for partial summary judgment on this basis.
    3
    The pre-existing condition instruction read as follows: "Do not include any amount for any
    condition existing before the occurrence in question."
    4
    Next, the jury was given a proportionate liability question; it answered that BNSF was
    ninety percent responsible for the collision and that Donaway was ten percent
    responsible. Finally, the jury awarded damages totaling $810,000: $114,000 for past
    lost earning capacity; $456,000 for future lost earning capacity; $70,000 for past physical
    pain and mental anguish; $20,000 for future physical pain and mental anguish; $45,000
    for medical expenses; $40,000 for past physical impairment; and $65,000 for future
    physical impairment.
    BNSF moved for judgment notwithstanding the verdict on the basis that: as a
    matter of law, Gaines could not violate the Radio Rule as it only applied to engineers; and
    the jury's $114,000 award for past lost earning capacity was unsupported by the
    evidence.   The trial court denied the motion.        Donaway then moved for entry of
    judgment, in which he argued that he was entitled to the full amount of damages because
    the Radio Rule was a safety statute and thus imposed strict liability on BNSF. In its final
    judgment, the trial court awarded Donaway the full $810,000 in damages found by the
    jury. BNSF filed a motion for new trial, which was overruled by operation of law.
    II. The Radio Rule
    By its first issue, BNSF argues that the trial court erred in submitting a question to
    the jury that allowed it to find that either Donaway or Gaines violated the Radio Rule.
    BNSF argues that, as a matter of law, the duty to stop created by the Radio Rule applies
    only to engineers and not conductors, and the trial court's charge that allowed the jury to
    find that Gaines violated the Radio Rule therefore included an invalid theory of law.
    BNSF argues that because the jury charge commingled invalid and valid theories of law,
    we cannot determine whether the jury based its verdict on the invalid theory, and as a
    5
    result, we must remand for a new trial. BNSF also argues that the evidence at trial
    shows, as a matter of law, that Donaway violated the Radio Rule, and the trial court
    therefore erred in submitting the Radio Rule issue to the jury; BNSF argues that the trial
    court should have ruled that Donaway's actions were negligence per se, instructed the
    jury accordingly, and submitted only a causation question to the jury regarding Donaway's
    actions in the accident.
    A. Standard of Review
    The standard of review for jury charge error is whether the trial court abused its
    discretion. See Tex. Dep't of Human Servs. v. E.B., 
    802 S.W.2d 647
    , 649 (Tex. 1990).
    A trial court abuses its discretion when it acts in an arbitrary or unreasonable manner or if
    it acts without reference to any guiding rules or principles. 
    Id. A trial
    court acts without
    reference to guiding rules and principles if it submits to the jury theories of liability that are
    not legally viable—in other words, theories that have not been pled, are not supported by
    the legally sufficient evidence, or are not supported by applicable law. See TEX. R. CIV.
    P. 277 (requiring that the trial court submit issues that are raised by the pleadings and the
    evidence); Crown Life Ins. Co. v. Casteel, 
    22 S.W.3d 378
    , 390 (Tex. 2000) (reasoning
    that Rule 277 implicitly mandates that the jury be able to base its verdict on legally valid
    questions and instructions); see also TEX. R. CIV. P. 278.
    We may not reverse a judgment based on charge error unless the error is harmful.
    Boatland of Houston, Inc. v. Bailey, 
    609 S.W.2d 743
    , 749-50 (Tex. 1980). A jury charge
    error is harmful only if it probably caused the rendition of an improper judgment or
    probably prevented the appellant from properly presenting the case on appeal. See TEX.
    R. APP. P. 44.1(a).
    6
    B. Does the Radio Rule Apply to Engineers Only?
    To determine whether the trial court's instruction to the jury on the Radio Rule was
    in error, we must first determine the applicability of the rule. The Radio Rule provides as
    follows:
    When radio communication is used in connection with the shoving, backing
    or pushing of a train, locomotive, car, or on-track equipment, the employee
    directing the movement shall specify the distance of the movement, and the
    movement shall stop in one-half the remaining distance unless additional
    instructions are received. If the instructions are not understood, the
    movement shall be stopped immediately and may not be resumed until the
    misunderstanding has been resolved, radio contact has been restored, or
    communication has been achieved by hand signals or other procedures in
    accordance with the operating rules of the railroad.
    49 C.F.R. § 220.49.
    BNSF argues that the Radio Rule creates a duty to stop and that duty applies only
    to locomotive engineers as it is the engineer who is receiving the directions and is the only
    employee in the position to stop the train if there is a break-down in communications.
    We agree with BNSF's argument in this regard. As posited by BNSF, it defies logic to
    suggest that a rule designed to improve the safety of backing movements by trains would
    impose the duty to stop on the conductor, an employee who may or may not have access
    to a brake or other means to stop the train. See id.; see also Waggoner v. Ohio Cent.
    R.R., Inc., No. 2:06-CV-250, 
    2007 WL 6148515
    , at *1 (S.D. Ohio Dec. 31, 2007)
    (agreeing that the Radio Rule is a safety statute as contemplated by the Federal
    Employers Liability Act, which governs personal injury suits by railroad workers). The
    plain language of the rule clearly places that burden on the employee receiving the
    movement instructions, the engineer—only the engineer will know if he has or has not
    received the necessary additional instructions, the lack of additional instructions being the
    7
    indication that there has been a communications break-down. See U.S. v. Apfelbaum,
    
    445 U.S. 115
    , 121 (1980) ("[A]bsent clear evidence of a contrary legislative intention, a
    statute should be interpreted according to its plain language."); First Am. Title Ins. Co. v.
    Combs, 
    258 S.W.3d 627
    , 631 (Tex. 2008) ("When interpreting a statute, we look first and
    foremost to the plain meaning of the words used.                          If the statute is clear and
    unambiguous, we must apply its words according to their common meaning in a way that
    gives effect to every word, clause, and sentence . . . ." (internal quotation and citations
    omitted)).
    Nevertheless, we disagree with BNSF's contention that the Radio Rule creates
    only a duty to stop that is imposed on the engineer.4 The plain language of the rule also
    imposes a duty on the employee directing the movement of the train to specify the
    distance of that movement. See 
    Apfelbaum, 445 U.S. at 121
    ; First Am. Title Ins. 
    Co., 258 S.W.3d at 631
    ; see also Belle v. New Orleans Pub. Belt R.R. Comm'n, Civil Action
    No. 09-2757, at *1-3 (E.D. La. May 17, 2010) (applying the Radio Rule to a conductor's
    4
    BNSF cites a series of cases for this contention, but none specifically hold that the Radio Rule
    creates only a duty to stop that is imposed only on the locomotive engineer. In Waggoner v. Ohio Central
    Railroad, Inc., the plaintiff conductor sued for injuries sustained when he jumped off a train just before it
    collided with some standing railcars. No. 2:06-CV-250, 
    2007 WL 4224217
    , at *1 (S.D. Ohio Nov. 27,
    2007). The court in that case granted partial summary judgment to the plaintiff, holding that the engineer's
    failure to stop the train despite losing communication with the conductor giving directions violated the Radio
    Rule. 
    Id. at *9-10,
    12. The court's holding was based on undisputed testimony by the engineer that he
    had violated the rule, id.; the court made no broad pronouncement regarding the duties created by the
    Radio Rule or the applicability of the Radio Rule to engineers only. BNSF also relies on Pierce v. Chicago
    Rail Link, LLC, No. 03-C-7524, 
    2006 WL 3370343
    , at *5-7 (N.D. Ill. Nov. 20, 2006), and Walden v. Illinois
    Central Gulf Railroad, 
    975 F.2d 361
    , 364-65 (7th Cir. 1992), both cases in which a plaintiff conductor or
    brakeman sued for injuries caused by an engineer's violation of the Radio Rule. In Pierce, the court
    reversed the jury verdict in favor of the railroad and granted a new trial on the basis of evidence showing the
    engineer's conduct violated the Radio Rule and caused the accident. 
    2006 WL 3370343
    , at *6-7. In
    Walden, the Seventh Circuit upheld the trial court's denial of the plaintiff's judgment notwithstanding the
    verdict, holding that, although the railroad's engineer had violated the Radio Rule and was thus negligent
    per se, there was evidence at trial that the negligence did not cause the plaintiff's 
    injury. 975 F.2d at 364-65
    . Like in Waggoner, in neither Pierce nor Walden did the courts hold that the Radio Rule does not
    apply to the actions of a conductor. As such, we are not persuaded by BNSF's reliance on these cases.
    8
    failure to give accurate car counts). As such, we cannot conclude that, as a matter of
    law, the Radio Rule applies only to the locomotive engineer.
    At trial in this case, part of BNSF's strategy was to prove that Donaway violated his
    duty to stop under the Radio Rule. But our review of the record indicates that part of
    Donaway's strategy at trial was to prove that Gaines violated the Radio Rule, as well, by
    not giving prompt and accurate car counts once the train passed the crossing. Because
    the Radio Rule applies both to the actions of the engineer and the conductor and because
    the evidence at trial raised both Donaway and Gaines's duties under the rule, we
    conclude that the trial court did not abuse its discretion in submitting a question to the jury
    asking whether both Donaway, the engineer, and Gaines, the conductor, violated the
    rule.5 See Tex. Dep't of Human 
    Servs., 802 S.W.2d at 649
    ; see also TEX. R. CIV. P. 277,
    278.
    C. Did Donaway Violate the Radio Rule as a Matter of Law?
    BNSF next argues that the evidence at trial showed, as a matter of law, that
    Donaway violated the Radio Rule, and therefore, the trial court erred in submitting a
    question to the jury that asked whether Donaway violated the rule. BNSF argues that the
    trial court should have, instead, instructed the jury that Donaway's violation was
    negligence per se and asked only whether Donaway's violation was a cause of the
    accident before asking the proportionate liability question. BNSF argues it was harmed
    by this error because the jury did not take Donaway's violation of the Radio Rule into
    account when it allocated responsibility in the proportionate liability question.
    5
    We need not reach BNSF's argument that it was harmed by the inclusion of an invalid theory in
    the jury charge which requires a new trial because we found no error in the charge regarding Gaines's
    violation of the Radio Rule. See TEX. R. APP. P. 47.1.
    9
    We agree with BNSF that the evidence conclusively showed that Donaway
    violated the Radio Rule. At trial, Donaway testified that the last car count he received
    from Gaines was "three to the crossing." In his appellate brief, Donaway contends that
    when Gaines blew the train's whistle at the crossing, that amounted to an additional
    communication to Donaway that allowed him to continue the backing movement of the
    locomotives. But we cannot agree that the blowing of the train whistle was an additional
    direction under the Radio Rule.      The direction contemplated by the Radio Rule
    necessarily includes a distance component; a communication without such specifics is
    insufficient to justify continued movement of the train by the engineer. See 49 C.F.R. §
    220.49; see also Pierce v. Chicago Rail Link, LLC, No. 03-C-7524, 
    2006 WL 3370343
    , at
    *5-6 (N.D. Ill. Nov. 20, 2006) (holding that the Radio Rule "requires a conductor . . .
    directing movement of a locomotive to specify the distance of the movement"). So, given
    the undisputed evidence that the last instruction Donaway received was that the
    locomotive was three car lengths to the crossing, the Radio Rule required Donovan to
    stop the train in one-half the remaining distance of that instruction. See 49 C.F.R. §
    220.49; see also Pierce, 
    2006 WL 3370343
    , at *5. By continuing through the crossing
    without stopping, Donaway violated the Radio Rule. Because the evidence raised no
    fact issue as to whether Donaway violated the Radio Rule, the trial court abused its
    discretion in submitting a question to the jury asking whether he did. See Tex. Dep't of
    Human 
    Servs., 802 S.W.2d at 649
    ; see also TEX. R. CIV. P. 277, 278. The question
    remains whether this error harmed BNSF.
    BNSF contends that the trial court should have instructed the jury that Donaway's
    violation of the Radio Rule was negligence per se and that the trial court's failure to
    10
    include that instruction affected the jury's allocation of responsibility in the proportionate
    liability question. Donaway's lawsuit was brought under the Federal Employers Liability
    Act (FELA), which was enacted to provide a federal remedy for injured railroad workers.
    See Consol. Rail Corp. v. Gottshall, 
    512 U.S. 532
    , 542 (1994); see also 45 U.S.C. §§
    51-60 (2006). FELA includes several substantive and procedural provisions governing
    the lawsuits brought by injured workers, including the following provision regarding a
    plaintiff's contributory negligence:
    In all actions on and after April 22, 1908 brought against any such common
    carrier by railroad under or by virtue of any of the provisions of this chapter
    to recover damages for personal injuries to an employee, or where such
    injuries have resulted in his death, the fact that the employee may have
    been guilty of contributory negligence shall not bar a recovery, but the
    damages shall be diminished by the jury in proportion to the amount of
    negligence attributable to such employee: Provided, That no such
    employee who may be injured or killed shall be held to have been guilty of
    contributory negligence in any case where the violation by such common
    carrier of any statute enacted for the safety of employees contributed to the
    injury or death of such employee.
    45 U.S.C. § 53 (2006) (emphasis added). While this provision allows a jury in a personal
    injury case against a railroad to reduce a plaintiff's damages proportionate to his
    contributory negligence, it also creates an exception when the railroad's actions
    constitute a violation of a safety statute. See 
    id. When the
    railroad is found to have
    violated a safety statute, section 53 prohibits reduction of damages in light of a plaintiff's
    contributory negligence. See id.; Walden v. Illinois Cent. Gulf R.R., 
    975 F.2d 361
    , 364
    (7th Cir. 1992); see also Belle, 
    2010 WL 2010509
    , at *2; Waggoner, 
    2007 WL 6148515
    , at
    *1. Although technically an administrative regulation, the Radio Rule is considered a
    safety statute for purposes of the contributory negligence provision in FELA. See 45
    U.S.C. § 54a (2006) ("A regulation, standard, or requirement in force, or prescribed by the
    11
    Secretary of Transportation [under its authority to promulgate railroad safety regulations]
    is deemed to be a statute under sections 53 and 54 of this title."); see also Waggoner,
    
    2007 WL 6148515
    , at *1 ("[A] regulation[] promulgated by the Secretary of
    Transportation, such as 49 C.F.R. § 220.49 . . . , [is] deemed to be a 'statute[]' under this
    section of FELA."). Only when an employee's negligence is the sole cause of his injury
    may his negligence be used as a defense by the railroad employer. 
    Walden, 975 F.2d at 364
    . Thus, if BNSF was found by the jury to have violated the Radio Rule, Donaway was
    entitled to recover the entire damage amount awarded by the jury unless the jury also
    found that Donaway's negligence was the sole cause of his injury. See 
    id. Here, despite
    the jury finding Donaway to be ten-percent responsible for the
    collision, the trial court awarded Donaway the full amount of damages found by the jury.
    See 45 U.S.C. § 53; see also Belle, 
    2010 WL 2010509
    , at *2; Waggoner, 
    2007 WL 6148515
    , at *1. To show that this outcome would have been any different under the
    applicable law—i.e., that it was harmed by the trial court's failure to instruct the jury that
    Donaway's violation of the Radio Rule was negligence per se—BNSF must show that
    inclusion of the instruction would have probably caused the jury to find that Donaway's
    violation was the sole cause of his injury. BNSF has made no such showing. BNSF
    does not contend that the evidence was insufficient to support the jury's finding that
    Gaines's violation of the Radio Rule was a cause of Donaway's injury. Neither does
    BNSF contend that Donaway's negligence was the sole cause of his injury. Given the
    unchallenged evidence at trial that BNSF's violation was a partial cause of Donaway's
    injury, BNSF cannot show that, had the jury been instructed as to Donaway's per se
    negligence, it would have found Donaway solely responsible for his injury. And without
    12
    such a showing, we have no basis on which to reverse the trial court's full damages
    award—BNSF's partial responsibility justified the trial court's full damages under the
    contributory negligence provision in FELA. BNSF has therefore not shown that the trial
    court's award was probably improper, and we cannot conclude that BNSF was harmed by
    the trial court's error.
    D. Summary
    Having concluded that the trial did not err in submitting a question to the jury on
    Gaines's violation of the Radio Rule and that BNSF was not harmed by the trial court's
    erroneous questions regarding Donaway's violation of the Radio Rule, we overrule
    BNSF's first issue.
    III. Aggravation Instruction
    By its second issue, BNSF argues that the trial court erred in refusing to submit an
    instruction to the jury that it could only award damages for injuries existing before the
    accident in this case if those injuries were aggravated by the injury sustained in this
    accident. BNSF argues that this error was compounded by the charge submitted to the
    jury, which included a pre-existing condition instruction that was marked out by the trial
    judge; BNSF argues that this handwritten strikethrough of the instruction prohibiting
    consideration of pre-existing injuries gave the jury the impression that it was permissible
    to award damages for Donaway's injuries that existed before the accident in this case.
    BNSF argues that the omission of this instruction coupled with the handwritten
    strikethrough probably caused the rendition of an improper verdict.
    A. Standard of Review
    [A trial court is] required to give "such instructions and definitions as
    shall be proper to enable the jury to render a verdict." [TEX. R. CIV. P.
    13
    277]. An instruction is proper if it (1) assists the jury, (2) accurately states
    the law, and (3) finds support in the pleadings and evidence. Tex.
    Workers' Comp. Ins. Fund v. Mandlbauer, 
    34 S.W.3d 909
    , 912 (Tex.
    2000). Determining necessary and proper jury instructions is a matter
    within the trial court's discretion, and appellate review is for abuse of that
    discretion. Shupe v. Lingafelter, 
    192 S.W.3d 577
    , 579 (Tex. 2006). One
    way in which a trial court abuses its discretion is by failing to follow guiding
    rules and principles. Bocquet v. Herring, 
    972 S.W.2d 19
    , 21 (Tex. 1998).
    Columbia Rio Grande Healthcare, L.P. v. Hawley, 
    284 S.W.3d 851
    , 855-56 (Tex. 2009).
    When a trial court refuses to submit a requested jury instruction, our ultimate focus
    is on whether the request was reasonably necessary to enable the jury to render a proper
    verdict.     Cleaver v. Cundiff, 
    203 S.W.3d 373
    , 379 (Tex. App.—Eastland 2006, pet.
    denied) (citing TEX. R. CIV. P. 277; Vinson & Elkins v. Moran, 
    946 S.W.2d 381
    , 405 (Tex.
    App.—Houston [14th Dist.] 1997, writ dism'd)). Every correct statement of the law does
    not belong in the jury charge, and the trial court should not burden the jury with surplus
    instructions. 
    Id. (citing Acord
    v. Gen. Motors Corp., 
    669 S.W.2d 111
    , 116 (Tex. 1984);
    Maddox v. Denka Chem. Corp., 
    930 S.W.2d 668
    , 671 (Tex. App.—Houston [1st Dist.]
    1996, no writ)). A judgment will not be reversed for charge error unless it probably
    caused the rendition of an improper verdict or probably prevented the petitioner from
    properly presenting the case to the appellate courts. TEX. R. APP. P. 44.1(a).
    B. Applicable Law
    It has long been a settled rule in this state that, where a plaintiff in a
    personal injury suit is suffering from an infirmity not caused by the accident
    which is the basis of the suit, and where the injuries flowing from the prior
    existing infirmity and those flowing from the negligence of the defendant are
    closely connected and intermingled to the extent that the jury might become
    confused and allow for improper elements of damages, the trial court
    should affirmatively charge the jury that plaintiff is entitled to recover only to
    the extent that his injuries were aggravated by the defendant's negligence.
    Dallas Ry. & Terminal Co. v. Ector, 
    131 Tex. 505
    , 507, 
    116 S.W.2d 683
    , 685 (1938).
    14
    C. Analysis
    Here, BNSF presented evidence at trial that Donaway suffered injuries prior to the
    accident in this case: (1) a lower-back injury caused by a similar collision at work in
    2003; and (2) degenerative disc disease in his neck.         Donaway presented expert
    testimony at trial that the neck injury he claimed in this case was caused by the March
    2009 collision and that he suffered no neck injuries prior to the collision. Donaway also
    presented evidence that the sort of degenerative neck disease identified by BNSF was
    typical for a man of Donaway's age and would not have caused any noticeable symptoms
    at Donaway's age. BNSF presented expert testimony that Donaway's neck injury, if any,
    arose from his pre-existing degenerative neck disease and was not caused by the
    collision. With regard to his 2003 lower back injury, Donaway testified that he had
    completely recovered from it by March 2008. There was no evidence that Donaway
    suffered any back pain or injury as a result of the March 2009 collision.
    During closing arguments, counsel for BNSF made the following statement:
    So I'm submitting to you and you were told that you are supposed to award
    for each injury that resulted from that occurrence, from that impact[,] from
    that collision, not that resulted from unnecessary surgery, not that resulted
    from anything else, not the degenerative disk [sic] disease that was already
    there, not from conditions that you see from CAT scans and MRIs that have
    been there for months and weeks and they're just natural and don't do
    anything but give a doctor . . . an excuse to operate. You don't award for
    those conditions. You award only what was from the accident and the
    numbers are zero.
    The jury was then charged as follows regarding damages: "What sum of money, if paid
    now in cash, would fairly and reasonably compensate Carlos Donaway for the injuries, if
    any, that resulted from the occurrence in question?" "[O]ccurrence in question" was
    defined in the charge as "the incident involving Plaintiff, Carlos Donaway, which occurred
    15
    on March 18, 2009."
    Having reviewed the evidence presented at trial, we cannot conclude the trial court
    abused its discretion in refusing to submit an aggravation-of-injury instruction to the jury.
    Although there was evidence presented of a pre-existing back injury, there was evidence
    Donaway had fully recovered from that injury, and there was no evidence that Donaway
    suffered any back injury as a result of the collision in this case. As to Donaway's neck
    injury, there was little to no evidence that the collision aggravated any pre-existing
    condition. Donaway's evidence and theory at trial was that the collision caused a new
    neck injury; he denied suffering any neck pain prior to the collision. BNSF's evidence
    was that there was no neck injury attributable to the collision, its theory being that if
    Donaway's degenerative neck disease could even be considered an injury, it predated
    the collision and exhibited no acute symptoms caused by the collision.               It was
    reasonable for the trial court to conclude, based on this evidence, that there was no
    connection or intermingling between Donaway's 2003 back injury and pre-existing
    degenerative neck disease and the neck injury he suffered as a result of the March 2009
    collision. See 
    id. It was
    also reasonable for the trial court to conclude that the jury
    would not be confused by the foregoing evidence.            See 
    id. If the
    jury accepted
    Donaway's evidence and theories at trial, it would find that he suffered an acute neck
    injury resulting directly from the collision. If it accepted BNSF's evidence and theories at
    trial, it would find that Donaway suffered no neck injury attributable to the collision. In
    short, we find no support in the record for the theory that Donaway's claimed neck injury
    was but an aggravation of any prior neck injury. See Columbia Rio Grande Healthcare,
    
    L.P., 284 S.W.3d at 855-56
    ; see also TEX. R. CIV. P. 277. This was a matter left to the
    16
    discretion of the trial court, and we will not disturb the trial court's ruling based on the
    record before us. See Columbia Rio Grande Healthcare, 
    L.P., 284 S.W.3d at 855-56
    .
    Even assuming that the evidence raised the aggravation issue, BNSF was not
    harmed by the trial court's refusal to include an instruction to that effect in the jury charge.
    In its charge, the jury was instructed to only award damages for injuries resulting from the
    "occurrence in question," which was defined in the charge as the March 2009 collision.
    Then, at closing argument, counsel for BNSF admonished the jury to confine its damages
    award to injuries suffered by Donaway as a result of the collision. Unless there is
    evidence to the contrary, we presume the jury followed the instructions given in the
    charge. Golden Eagle Archery, Inc. v. Jackson, 
    116 S.W.3d 757
    , 771 (Tex. 2003).
    BNSF points to no evidence, and we find none, that the jury did not follow the charge it
    was given. And in light of the charge and argument by BNSF's counsel, we conclude
    that an aggravation charge was not reasonably necessary to ensure a proper verdict and
    would have been surplusage. See 
    Cleaver, 203 S.W.3d at 379
    ; see also TEX. R. CIV. P.
    277; TEX. R. APP. P. 44.1(a).
    BNSF argues that the trial court's handwritten strikethrough of the pre-existing
    condition instruction signaled the jury that it could consider Donaway's prior injuries in
    making its damages award. We find this argument to be speculative of the jury's thought
    processes, and we are not persuaded by it. It is just as likely the jury overlooked the
    marked-out instruction and followed the charge as written—a charge that limited
    damages only to those incurred as a result of the March 2009 collision. See Golden
    Eagle Archery, 
    Inc., 116 S.W.3d at 771
    .
    Having concluded that the trial court did not abuse its discretion in refusing to
    17
    include an aggravation instruction in the jury charge and, even if it had, that any error in
    the charge was harmless, we overrule BNSF's second issue.
    IV. Past Lost Earning Capacity
    By its third issue, BNSF argues that the jury's award of $114,000 to Donaway for
    past lost earning capacity was supported by factually insufficient evidence.           BNSF
    argues that the only testimony at trial related to Donaway's past lost wages specified the
    amount to be $54,000 and that the jury appears to have picked its $114,000 award "out of
    thin air." BNSF asks the Court for a remittitur of $60,000 or, in the alternative, a new trial
    on damages.
    "Factual sufficiency is the sole remittitur standard for actual damages." Pope v.
    Moore, 
    711 S.W.2d 622
    , 624 (Tex. 1986).            In determining whether damages are
    excessive, we use the same test as for any factual insufficiency question. 
    Id. Under a
    factual sufficiency review, we "examine all the evidence in the record to determine
    whether sufficient evidence supports the damage award, remitting only if some portion is
    so factually insufficient or so against the great weight and preponderance of the evidence
    as to be manifestly unjust." 
    Id. Lost earning
    capacity is an assessment of what the plaintiff's capacity to earn a
    livelihood actually was and the extent to which that capacity was impaired by the injury.
    Scott's Marina at Lake Grapevine, Ltd. v. Brown, 
    365 S.W.3d 146
    , 158-59 (Tex.
    App.—Amarillo 2012, no pet.). Proof of loss of earning capacity is always uncertain and
    is left largely to the discretion of the jury. Rigdon Marine Corp. v. Roberts, 
    270 S.W.3d 220
    , 232 (Tex. App.—Texarkana 2008, pet. denied). Nevertheless, to support an award
    of damages for lost earning capacity, a plaintiff must present evidence sufficient to permit
    18
    a jury to reasonably measure earning capacity in monetary terms. Tagle v. Galvan, 
    155 S.W.3d 510
    , 519-20 (Tex. App.—San Antonio 2004, no pet.); Durham Transp. Co., Inc. v.
    Beettner, 
    201 S.W.3d 859
    , 864 (Tex. App.—Waco 2006, pet. denied). Evidence of past
    earnings is one of several non-exclusive, relevant factors that may be considered in
    determining lost earning capacity. 
    Tagle, 155 S.W.3d at 519
    ; see City of San Antonio v.
    Vela, 
    762 S.W.2d 314
    , 320 (Tex. App.—San Antonio 1988, writ denied) (holding that
    testimony regarding lost wages supported an award for lost earning capacity).
    BNSF contends that the only evidence at trial of Donaway's past lost earning
    capacity came from Kenneth McCoin, Donaway's economics expert. McCoin testified
    that—based on Donaway's 2008 salary of $73,145, adding twenty percent for fringe
    benefits, subtracting twenty-one percent for the likelihood that Donaway may have been
    disabled or killed in that time period, and subtracting taxes, union dues, and other
    costs—Donaway's past lost earning capacity was $53,819. In his closing argument,
    counsel for Donaway asked the jury to award specifically this amount as past lost earning
    capacity. BNSF argues that, in light of this, the jury's $114,000 award was against the
    great weight and preponderance of the evidence.
    But Donaway points to further evidence the jury could have considered. There
    was also evidence admitted at trial showing Donaway's exact earnings in the months
    preceding the March 2009 accident. This evidence showed that Donaway's earnings for
    January and February 2009, after taxes, averaged approximately $7,100 a month.
    There was also evidence that Donaway's lost household services—the value of the
    services Donaway provided at home, such as chores—totaled $1,057 a month. Finally,
    the evidence showed that fourteen months had passed between the accident and trial. If
    19
    the jury added $7,100 and $1,057, for a total of $8,157 lost earnings per month, and then
    multiplied that total by fourteen, it would have come up with $114,198. Rounded down,
    this calculation supports the jury's $114,000 award for past lost earning capacity.
    BNSF contends that the foregoing amounts to "a complicated mathematical
    process" invented by Donaway to justify the jury's verdict. But as lost earning potential is
    uncertain, we leave the calculation of it largely to the discretion of the jury, and as there
    was evidence of past wages and other lost earning capacity in this case to support the
    amount awarded here, we cannot conclude that the jury acted unreasonably in finding
    that Donaway's past lost earning capacity was valued at $114,000. See Rigdon Marine
    
    Corp., 270 S.W.3d at 232
    ; see also 
    Tagle, 155 S.W.3d at 519
    ; City of San 
    Antonio, 762 S.W.2d at 320
    . For this reason, we cannot conclude that the jury's award was so against
    the great weight and preponderance of the evidence as to be manifestly unjust. See
    
    Pope, 711 S.W.2d at 624
    . The evidence supporting the jury's past lost earning capacity
    award was supported by factually sufficient evidence, and BNSF is not entitled to a
    remittitur. We overrule BNSF's third issue.
    V. Conclusion
    We affirm the judgment of the trial court.
    NELDA V. RODRIGUEZ
    Justice
    Delivered and filed the 18th
    day of October, 2012.
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