[ Her eyes widen. Wait-- wait, there might be a misunderstanding here. ]
Ah-- I don't mean in that kind of sense. Er... I haven't drank his blood or anything. [It isn't like that! She's a little flustered at the mistake.]
Um... it's through magic. Or something like it. I had to give up something, and in return, that person helped create a method that helped me fight the thirst.