He frowns, just the tiniest pinch of his brows as he tries to make sense of what Mark is telling him. To... focus it like that. What makes sense? Honestly? Nothing right now.

"You sure? About the lonely...?" Because that's a place Damien lives inside of every day. Still. He tries to pinpoint something more specific. But being, well, Damien, it doesn't jump out in a way he'd like it to and he gets frustrated, lets out a soft grunt, "I don't know, I– this isn't...." he shakes his head. "Call it whatever you want... I know you have no reason to stay, but... I really don't want you to leave." he has no idea how you put that into a single, feeling-word, but... there it is.