Maybe he would survive, but Dean wouldn't survive the embarrassment or the never ending harassing he would get for it.

"I know, but you're more...you know...fully together than he is. Wings in one piece and all that," he says with a vague wave of his hand towards Gabriel's back. The news is good, though, better than he was hoping. Angels were the last thing he wants to worry about these days. "So long as those ones that are stayin' rogue don't keep on trying to gank Cas for the whole...kicking them outta heaven thing."

I.E.-Keep an eye on your nerdy little brother, Gabriel.