God wakes in the middle of one of his children describing an orgy to him.
Castiel has…changed.
God lets the part of him that is still Chuck Shurley carry on the discussion while he checks the last several years of memory to figure out what exactly is going on here, and what he finds appalls him. Lucifer walks the earth in the body of Sam Winchester, Croatoan has been released, Dean has discarded every quality that made him a human being rather than a blunt instrument - with all that, God finds it interesting that what really hurts is watching poor loyal Castiel, who has an aching void where his Grace should be, gleefully recounting his sexual excesses as if sex could help.
God nods gamely, chuckles in the right places, and flees as soon as possible. Outside the cabin, he takes a moment to identify a good turning point. He wasn't expecting to have to travel in time this soon after waking. He manages, though the landing's rough.
He slides the thought into Zachariah's mind carefully, so that it appears to be native: Maybe, he murmurs, Dean needs to see what will happen if he continues to be stubborn...
It was going to be a drabble, but the 100-word version is a little too sparse. So double-drabble it is. I just kind of wondered how God let things get that far, given.