My 12-year-old daughter donated her hair to a girl with cancer—then we received a call from the principal asking us to come in immediately.

to speak immediately. She handed the note down to Letty carefully, watching as her daughter unfolded it with a kind of reverence that made her heart tighten. Letty read slowly, her lips moving slightly as she followed each line. The room around them seemed to fade a little, as if the world was giving them space to exist in that moment alone.

When she continue reading …