He told her about a boy at school who could burp the alphabet.

He told her about a book he was reading in which a dog saved a family from a flood.

He told her, once, in a smaller voice, that some of the other kids had a mom and a dad who both came to the school play, and then he added quickly that it was okay, that lots of families were different, in the careful tone of a child reassuring a parent about the very wound the parent cannot heal.

And every day, before he left, he would take her hand in both of his and hold it for a moment, and say, Bye, Mommy.

I’ll come back tomorrow. He never once failed to come back.

Through everything that followed — through his father’s absences and his father’s cameras and his father’s crimes — the one perfectly reliable thing in that hospital, the fixed point the whole terrible machinery turned around, was an eight-year-old boy who came back every single day to talk to a mother the rest of the world had given up for dead.