"Well, that certainly sounds...Interesting. I've never met someone with your condition before. I believe that means we're a first for each other then." Astarion blinked at you for a few moments, seemingly debating how to properly react. You'd grown fairly close to him over the course of your adventure so far, confiding in him as he did you, seeing him as close enough to be family at some points, but it was still a big leap to admit your affliction. Well, besides the obvious one of the Tadpoles of course. On the one hand you just admitted that on full moons you would turn into a bloodthirsty monster that would threaten the safety of every single person in the camp, but then on the other hand he had admitted to you that he was a bloodsucking fiend and you'd accepted it almost immediately without incident
So with another nervous chuckle, he brushed the hair from his face and attempted a lighthearted tone as he spoke before he began absentmindedly tussling your tresses in an attempt to comfort you. Rubbing your back cautiously as he attempted to think up any other tactics that could be used to provide some kind of comfort or reassurance that he meant what he was saying "I suppose I could 'throw you a bone' in this situation. You're a good person and this, while a bit...surprising, doesn't change anything. You're still the fearless leader of our rag tag troupe, yes? I don't want you to forget that. Even when you're covered in shaggy fur and dripping drool from a maw. Is that understood?"