He gives an approving nod, pursing his lips as he considers it. Skinny dipping, no matter the occasion or season, is always unwise.

"I concede that," he says, reaching out to hold onto Watson's shoulder with one hand so that he might slip his shoe and sock off without getting sand in them with the other. He removes his other shoe and sock and sets them down, putting his shirt over them. "We are about to do something that's very unwise for a number of reasons. You still have not guessed the activity, however."

He undoes his belt and slides it off, winding it up, and sets that atop his shirt. While subtly watching Watson, he starts to undo his trousers.