[ It takes a while for Jesse to respond, for about a day or so; he had just returned from an exhausting trip outside the city.

But more importantly:

HOW DID HE KNOW? Jesse is startled, to say the least. ]

Okay. I'll do that.

[ But Jesse never noticed Dean was really gone; he assumed his absence was a result of being busy. From what he heard what happened in the city while Jesse was away, he'd be surprised that Dean is all in one piece. ]

Are you okay? I heard powers went haywire in Asgard.