You know, I am still quite scarred from the whole sex thing with R.
In the beginning, he was unbelievably attentive, yet the issue was "overexcitement". In the middle, the issue was that he was ********, which I take to be an alcohol issue.
But the biggest problem we had was that I see sex as an extension of the relationship outside the bedroom, so when there was no intimacy outside, there was no desire for me. For him, sexual rejection was a rejection of self, so we had a lose/lose situation. His first post on SR was about having more sex.