[Cain didn't look particularly pleased with the answer, but he knew there was no arguing Shylock out of that. He just hoped it didn't show up at a bad time...]

It's really not me that anyone should be worried about. I just over-exerted myself. I'm fine now.

[He laughed, though it was a bit humorless.]

Maybe I did spend too much time pretending to be human. I didn't even realize I had magic until the last possible moment.