"Skin cancer is no laughing matter, Isaac," he tries to say with his best straight face. "Turn around." When he does, Scott rubs it into both hands before working it into Isaac's back. He's sure to get behind his shoulders, along the middle and lower, hands grazing the top of his swimsuit.

"There," he says, beaming. Stretching out his legs, he squirts a little more onto his hand and sets the container down, doing his legs then.