"I said it sounded nauseating, not that I'd vomit." There's a difference there, and it's truthfully really is mostly about his complete lack of desire to fly, much less on a celestial anything, thank you.

He keeps walking, moving easily through the streets and not paying much attention to do so. Very much honing in on 'home' though, and doing so very directly. "I'll accept gray. Blue, no. You'll be very clearly a member of the household. You're going to look the part." That means blue is all the way out, thank you. ...also he just doesn't like it much.

Then shoots Zerxus a strange look in response to that question. Not that it is a question, but that the answer seems really obvious to him. "No one lives there besides me. There are occasional visitors and staff. You'll be left largely alone." But not unsupervised.