That was Molly, not Jo. But he knew things like this were possible. Sam spent a few days as some idiot teenage kid, and he'd been running around hunting with the kid inside Sam's body. The worst part was that in some ways, the kid was more fun. Clearly nuts, but more fun.
"Really wrong might be an understatement," he said. Dean sighed, rubbing at the bridge of his nose with his fingers like the impending headache this was gonna cause would just maybe decide to go on its merry way.
He met her gaze, and raised an eyebrow. "Look, not that I think Molly'd pull something, but I need to know that's really you. Something else could've gone really really wrong."