[she smiles wryly right back at him] Then you might fit right in in a place like this! You're new, I take it? [she's guessing so, considering how surprised he seemed to arrive]

Ah. And it doesn't belong to anybody you're fussed over, I take it? [the question is nonchalant, but she's assessing him as well. not just anyone can arrive wearing that much blood and be so casual about it]