It takes him a moment to remember the name Curtis. When he does, his first impulse is to push it away; the last thing he needs right now is to go trotting after another stranger who was nice to him. He's just going to load up his backpack and go back like he planned.

But he passes Room 1001 on the way back to his own room, and hesitates.

And slowly, hesitantly, reaches out to knock.