"Hi. I did not-- yeah, I did not invite you in?" Tony mumbled, following after the girl, who seemed very intent on not actually giving a shit about how doors worked. Maybe she came from a world without doors; Tony was still going to be uncomfortable about it. He was the one who decided when and when not to follow social procedure, not other people.

"Those are my puzzles," he added, stupidly. "And they were, yes, supposed to be challenging. Challenging enough. I'm not looking for the next Einstein, just sort of hoping maybe this place provides one, because they would be cool. Who are you?"