Hi, first time posting here so I hope I'm doing it right. I'm looking for a fic I read a couple of years ago, and all my searches have so far been futile. I remember this:

— Sam has left, I think for Stanford, leaving Dean depressed and he won't take care of himself. Dean and John are still hunting together.

— John gets tired of Deans attitude so he ties Dean to a tree, I think? And forcibly milks his prostate to give him some stress relief. This goes on for a little while in different contexts until Dean actually starts to enjoy it.

— I think John mentions that Booby (or maybe Rufus) did this to him way back when, and how much it helped him. 

I'm afraid I don't remember author, title or even which platform I read it on, it may have been LJ or AO3. 

Mods: I couldn't find a kink-tag for prostate milking, fingering was the closest I could find. Please help.