"Peter, your brain rebuilt itself along with your body. It’s different. And
yes, to put it bluntly, trolls do tend to be mentally slower than pure humans. 
But when you were a human, you"—he flipped open the book again—"you pulled an IQ
score of 184 and a GPH of 18. We don’t know what you’re like yet. You won’t be
as smart as you were, but we still don’t know the whole story."