"They don't shrink, I don't think. They're always there, just... out of the way." Not invisible, exactly, because if that were true they'd still probably bump into things.

But he's far more interested in her comments about being a warden.

"I hope so," he says. "I've helped several people in my own universe, get out of Hell and into Heaven. This is similar in a lot of ways, but also very different in others."