Eric’s mother had left the family 18 months before, when Eric was four years old, and she was no longer part of his life.

Callie, A fifth-grade girl, who has been on meds for ADD/ADHD since kindergarten, is off them for a while—they aren’t working well.

At one lesson I sat listening to him, lost in the focus of my question: "How can I help Milo? How can I help Milo?" As I concentrated, I suddenly felt as Milo himself was speaking straight into my ear, without words, giving me insight into what he needed.