"That's the last dog joke you'll ever make," Derek replied, in a tone that brooked no argument. He picked up the discarded cuffs and brought them back to the cupboard, tidying.
He was pleased that the session had gone well, and Stiles seemed to not be suffering any ill-effects. "When you're finished, you may go back to your room," he said, stiffly. "We'll...I'll call for you in a few days."