After Donating My Kidney to Save My Mom, I Gained Weight—Then the Cruelest Boy at Prom Tried to Humiliate Me in Front of Everyone

My mother zipped up the back of my prom dress with hands that still looked too thin to be helping anyone. Just six months earlier, those same hands had rested weakly on a hospital bed while doctors warned that her kidneys were failing. When they asked if I would donate one of mine, I never hesitated.