i love frottage, I would rate it a 9. When I was in high school, my buddy would lay naked on top of me and we would grind or rub cock to cock all the time. I would have some of my best orgasms that way without even having to touch my cock. Just having his hot hairy cock rubbing on mine, sent me over the edge! Plus I loved shooting cum all over his dick too, it was a hot sticky mess.