They, indeed. He looked the man over with a curiosity that gave away that he'd caught the implications behind that. If he wasn't human, either, the Doctor had to wonder what he was. But asking didn't seem like the best choice when, if his suspicions were correct, they were likely being observed.

He gave a chuckle. "Oh, of course. But if you sample them all, you won't have much left to sell to customers, now will you?" His hand rose to waggle a finger. "And you'll wind up overindulging. But I guess that's a lesson you've already learned, hmm?"