My wife, Marsha, and I would read and look through several adult male magazines every month and often use them to spice up our sex life. However, we had never had any experiences that we thought were worth writing about until Marsha's 48th birthday. Marsha and I have always enjoyed wild and uninhibited sex, but until that day, we had never involved anyone else in our lovemaking. We had discussed getting it on with other p...