My wife kelly and I have been married for 17 years and have had a wonderful sex life. She is 36 and takes great care of herself as do I. We have a 16 year old daughter Stacy and have always been fairly open about sex with her, answering any questions she may have. One evening our Stacy was over a friends house so the wife and I took the opportunity to watch a porn in the living room and enjoy ourselves. We both got naked...