Mark and I had had a couple of flings down the years. We'd been into each other since we met, but circumstances never saw us actually get into a relationship. But we'd always got on, never lost touch, and - wow - the sex was hot. He was the first guy to really get me in the bedroom (or whatever room we were in!) and he seemed to 'fit' me perfectly. He knew exactly what I wanted and I know he found me a huge turn-on. He wa...