Jenny's smile widens briefly. She glances at the ceiling, in the direction of Matilda's room.

"I think you're right," she says.

"I've learned a lot from her, but I think one of the most important things is this: you don't try to control a child like that. You teach her everything you can and then get out of her way. So just... try not to get her into any trouble she can't get out of, all right?"