Indeed, he'd mostly said it for her sake. It's not like he's worried about being found out by anyone from their universe, or like he would avoid them for any amount of time. It's just the idea of being an unexpected factor that appeals. And it would be such a waste for Lucy to get incarcerated or have her mind forcibly checked out when he hadn't even done anything.

"Though, if anyone else should turn up...I wouldn't mind hearing about it. In fact, I'd be most appreciative." If someone they know is going to wind here, Zagreus wouldn't take any bets on who it's likely to be. Really, given that this is a pretty strange situation, it's only a matter of time before some Doctor or other shows up.