He was perfectly capable of being a good gentleman. They had both grown up in the right circles, playing the right little games. Only the stakes had gotten a bit bigger. A lot bigger. Opening the door with one hand, Barty showed Andromeda in with the other applying just a little bit of pressure on the small of her back, fingers sticky little things that grabbed a little thing, Barty didn't even have time to look around for another one.
Reallocating the tea, he gave a pleasant smile to the muggle and was glad to get his way. Fixing up the glass of tea, Barty pushed it over before preparing his own, which had milk in it. "For you, Ms. Black."