Antonin gives her a glance as he stands and gathers the coat he slung over the back of his chair. There's a good deal of appreciation in it, but faint amusement, as well.

"Is that an invitation?" Subtlety is a Slytherin thing, and Antonin isn't on the same page as his Slytherin comrades; he's not even in the same book. Sometimes you have to be upfront about the things you want in life. Not every is attuned to being subtle or dropping hints.