Dean wasn't doing his typical route of patrol. He was trying to figure a good date night for Jo. So he had expanded his search, for selfish reasons. So when the flash in the sky happened Dean literally jumped. "Son of a bitch." He'd been there long enough that he knew what it was for, and knew it happened often. But he hadn't ever really been doing anything that seemed out of place.
He looked around the beach, knowing that other areas of the island would be covered by other people who were doing the same thing. It wasn't long before he saw the young man stark naked, with what looked like a harness around his shoulders.
It took all his will power. But Dean managed not to cover his eyes, as he shrugged out of his jacket, striding toward the new arrival. "Hey, you alright there?"