It won't make this easier, and Mark knows a 'textbook defensive gesture' pretty well. Why does he need to be defensive?

"Means neither of us even knows how we fit into this or how to make lives here or anything. And until we do we're sorta stuck, right?"

Shit, they're both staying in the Diadem, aren't they? That leads to a strange sort of fluttery feeling in Mark's stomach. Is it... half excitement? No, it can't be.