"Lady," Jack mutters to himself, practically a whisper, "you're the one coming off as a psychopath right now."

Jack turns around and offers a hand to help the rat up.  "Look, I'm sorry about that," he says as he grabs his Jump Boots again.  Walking without his shoes on in this place was probably a bad idea, but he was keeping a close eye out for broken glass.  "You want to come inside for a bit?  The place is a hole in the wall, there's no food in the fridge, and the lock on the door's still busted, but maybe you can catch your breathe for a minute inside, right?  Come on."