"Trust me," he said, giving her a warning look, "I'm fully capable of being highly unpleasant when sleep deprived."
It was hard to believe Nikolas when the next second he was grinning again. "All right." He wandered over to where Lucy was filling her bag and grabbed a stray book that had fallen to the floor, proceeding to hand it to her.
"Well, have a good evening, then. And don't go turning yourself into a half-giraffe half-human."