Selection of the Fittest
Keith knows he and Karen are a lucky couple. Both have physiques that most other people envy.Keith and Karen had been hard at it for over an hour now, and showing no sign of exhaustion, as a married couple shouldn’t who were so very much in love with each other. But more than that, thought Keith, as his pelvic thrusts pushed his erect penis in and out and in and out of Karen’s muscular vaginal grip, it was practice and exercise that made their physical love so successful. After all, if you were going to do someth...