“I’m not sure that’s the case,” Malcolm tells her, “but I didn’t have anyone to talk to the last time.”

He takes his hand out from under his elbow, holds it out, watches it shake for a moment before balling it into a fist. “It’s not nerves. It’s a psychogenic tremor. Being locked in a closet wasn’t the first thing that triggered it but it had stopped happening for a couple of years until that closet. It has never stopped happening at… emotionally difficult times since.”