She's not going to comment on the part where he's going to hurt her, apparently, and that's fine.
"It's a funny, and strange, and beautiful thing, that you being exactly what I'm looking for is even remotely a possibility. In Civilization they'd warn you about that being the sort of open purchase order that never, ever gets filled." And if a Keltham is exactly what a Carissa is looking for, somehow, then she's going to have some very strange implied utility function he doesn't understand; though, to be fair, like a lot of male dath ilani, he's never understood the exact details of how some women are apparently able to find men attractive in the first place. "It's probably fair to say that I'm in love with you. And scared this is going to turn out terribly, for reasons including Conspiracies, and tropes, and you somehow still being a hidden cleric no matter how absolutely little logical sense that has now been revealed as making, and you getting tired of me in two more weeks. I'm having to continually shut down a self-protective impulse to try not to fall in love with you any more than this, to decrease the pain later when this somehow explodes."