Rachel boarded the train to London feeling excited and already aroused, a couple of days of passionate lovemaking with Martyn lay ahead. Sex with Martyn was always satisfying but this time there was the anticipation that they would step up their lovemaking a notch or two. On their last weekend together one morning in that dreamy post-coital, post-orgasmic bliss Rachel had asked Martyn whether he knew of another man who mi...