[Sebastian kind of permanently resides in the space between sincere-sarcastic, but at least this time he meant it sincerely? Sincerely enough, at least. He doesn't go out of his way to mock perfect strangers for no reason (he's nice like that).
He doesn't seem to react much to the bristling; responds with calm pleasantness:]
Indeed? I would not claim to understand your specific situation, of course, but suffice to say this place has something of a proclivity for providing strange experiences.