[Nodding in agreement, with a soft huff of laughter. He doesn't seem annoyed to find her snooping through his stuff, so that's good?]

Well, it would certainly be convenient if there was a nametag! I really didn't mean to go through your belongings. [The room hunt. It haunts her. Why didn't the welcome message come with instructions. She peers at him curiously, conspicuously sizing him up.] Judging by the situation... I suppose we're roommates?