So it seems that I've moved on from what I was doing with rubbing my penis lightly during my Aneros sessions to achieve dry-O's. It was a useful experience. But now I find that it is too much of a distraction from the prostate sensations. And in my more current sessions seemed to become too much like edging. So my last session I did not do any penis stimulation, and just concentrated on the prostate and energy sensations while deep breathing...