Leave a nymph to try their hand at games. They were sirens in their own right, which was perhaps why Peleus couldn't keep from looking over his shoulder. He couldn't keep from intervening either. That laugh positively just for saving face. She was not a one trick pony, that was for sure.
He stepped into the guy, bumping shoulders so that his beer fell onto his costume. "Oh, excuse me," he made sure that it kept him in the picture. Obviously Thetis needed a reminder about her marriage vows.