From the Guide To Prostate Sex, at http://ambigendered.blogspot.com/p/how-to.html. I don't remember when I discovered anal play or what led me to it. I've always enjoyed fucking my girlfriends in the butt, though I've only rarely had the pleasure. What I don't recall is when or how I discovered how the pleasure to be had from my own butt being fucked. I would prefer to have a )female( partner do me, but only on a few occasions have I been privileged to have...