"I shall bear it in mind," Puck replies, rather dry himself.

That wasn't quite what he was getting at, but whatever. Mortals.

Puck is not quite sure how to proceed-- in Faerie, most enmities are settled quickly, decisively, or both, and among mortals he has not lingered long. But he is not entirely sure what to do now.

At the very least, he can likely make a pest of himself. He stays put, watching.