While the mechanics of sex remain largely the same our knowledge and attitude towards it shifts every few years based on popular culture. Kink and toys was considered fringe until recently! Also, turning 50 does not mean the end of sex-- Baby Boomers are healthier and more sexually active than the preceding generation!  New research had yielded more information on sexual arousal and orgasms. The New Sex Bible is a comprehensive primer to every aspect of sex and how to get it and give it good.