"I can't say I've ever thought about it," Astarion said, since to him, that was just how things worked. He had a vague sort of sense that blood tended to flow more easily than it should when he got his fangs into a lovely neck of some sort, but he'd never really had the opportunity nor even really the desire to find out why that was.

Sort of in the same way that the upper class didn't bother to know how their food got to their tables just so long as it did.

"Shall we then?" He asked, gesturing to the spot next to himself- inviting Thrawn to sit down. If he was offering, then Astarion certainly wasn't going to say no. Especially since coming here with Thrawn had taken time out of the night that he could have spent hunting for prey.