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.

her mother without saying anything at first. She looked at the envelope in Piper’s hand, then at her mother’s face. Children often notice emotions adults try to hide, and Letty was no exception. She stepped closer and leaned lightly against her mother’s arm, as if grounding both of them at once.

“Is it from Dad?” she asked quietly.

Piper nodded, unable continue reading …