Lying in bed that night with Andrea I wanted to make sure she was entirely happy with what had happened and that she wanted Lillian and me to continue with our new relationship."Of course I do," she told me emphatically, "It took me a long time to persuad...

It came as a bit of a shock, but I can't say a completely terrible one. Andrea and I had just made love, and were lying in one another's arms afterwards. She had made some small talk about how it must be terrible not to have experienced an orgasm, or even...