[ Giving blood is like drinking too much: great in the moment, not so much later. But Iorveth likes the way Astarion looks after he's gotten blood in his system, and he also can't stand the thought of him being hungry. There's been too much starvation in Iorveth's life for him to feel comfortable with its peripheral existence, especially if it's something that he can do something about.

That aside: ] Yes, beloved, your prick is so substantial that I could feel it in the back of my throat when you fucked me.

[ Also teasing. Dick size is neither here nor there for Iorveth, but if Astarion wants his ego stroked, well. He can do so, while also slightly tugging on pigtails again. Iorveth will never actually be embarrassed by how into it he gets whenever Astarion lets him be a freak, but he can make Astarion work for the compliments a little. ]

I felt my mind leaking out of my ears by the end of it.

[ Okay, this is true. Delivered with all the blitheness of a sarcastic quip, but with the slightest quirk of scarred lips. ]