"I can just run low the whole time. Then I might not be immobilized by pain, either!"
"And I do enjoy being gleefully hubristic. But not if it ends with me bored to death."
"I don't know if boredom can kill humans where you're from but it doesn't make a dent in vampires."
"Fairy curse: my pain never fades. Fairy blessing: but no matter how much of it there is, there's always enough of me to deal. Not always comfortably deal, mind you, but I get along. And I can pick whether to run low and be a normal person with normal-person-manageable amounts of pain, or run high and have as much pain as I've actually picked up and a proportional increase in mental capacity."
And then Addy engages them both in extended conversation about their respective local magics and learns many fascinating things.
Also: "Hey, Kithabel, it's got to all of me now, you can try suppressing it. Not for too long, please, it's already starting to stack with itself."
"Yes, congratulations, I will be over here enjoying my perfectly comprehensible agony."
Milan has lots and lots of things to say about his world's magic. He never studied thaumatology directly, but he read a few books on it, and he lived in that world for seventeen years and heard of a lot of things. So many things.
"...I mean, be my guest, but you might die and also you'll have to get somebody else to open the door for you because if I do it I might die."
"Ah, I see. I'll just loiter around here and find somewhere else to go check out, I'm sure more interesting people will come through."