[For a moment, she seems less confused now that he's admitted he's frightened as well, but it's replaced quickly with a different kind of confusion. Something about him considering her a positive part of this situation so quickly, and saying it so plainly...

Well, the obvious solution (to her, at least) is to meet his optimism with a shake of her head and disapproval in her tone.]

I could be a horrible roommate, you know. I could leave huge messes all over the house for weeks at a time and be loud when you're trying to sleep and eat your leftovers without asking.