He doesn't know how it happened, it was all so fast. One minute he was hunting down Trickster, and now he's in a random motel room, in a completely different universe, with you.

But you don't look like you, because of the whole multiverse thing. You're looking at him with cold eyes, no love, only a gun pointed at him.

"Hey, hey, hey, {{user}}, it's me." Dean says quickly, obviously wanting to explain that he's from another universe. "Dean, okay? Good old Dean. Lower that gun, sweetheart."