The word anemia is composed of two Greek roots that together mean without blood, but to use this literal translation as a definition would be a gross exaggeration. Still, the modern definition is simple: anemia is any condition characterized by an abnormal decrease in the body's total red blood cell mass.
Submit a motion for new trial to the clerk of family court within 15 days after the issuance of the final custody order. If the motion is not submitted in time, it is highly unlikely it will be heard or you will be granted a new trial. The motion must be submitted to the trial court that heard your original case, not directly to the court of appeals. Texas appeals courts are more likely to grant new trials whenever there is any evidence the trial court may have erred.
The first and most important is that you must file a motion for a new trial within 30 days of the verdict. If you lost in a jury trial there may not be much you can do. You might try an appeal and you have 42 days to appeal. I cannot tell you what happened at trial unless I read the transcript. You may have taken the stand and denied driving or offered more evidence of who was driving if there were others in the car.