Well, that answers the question about whether his mind is being read or not. Very unhelpful. Though at least what he said just now is more than Ankh's been getting out of him, even if it still wasn't much. That makes him... very, very slightly less irritated.

"You said it's not just any world, like that's an explanation for something. What's special about it?" The only part that was obvious was that this isn't where he came from, and that much, he didn't ask about. But where he came from was being broken, and that means there's probably nothing to go back to, so he's not sure what incentive he'd have for finding these keys, even if he wasn't still annoyed at how this conversation has gone. "And what if I don't want to leave?"