I've Never Attained Orgasm With My Ex Husband

"I have been in a good marriage for more than a decade, and we have what i consider to be a normal, loving sexual relationship. My wife has never achieved orgasm," he writes. "She is able to achieve orgasm by herself, but never with me or any other man." He adds: "A few nights ago, she accidentally let slip that she did achieve orgasm with her ex husband".