50 Shades Of Grey has shocked, titillated and really turned publishing on its head. Men Are From Mars, Women Are From Venus author John Gray discusses why women love the books and why Christian Grey is such a turn-on. br br See more from Dr. John Graybr And br YourTango is your source for smart talk about love, sex, dating and relationships. Whether you're married, single, taken, engaged or "it's complicated," check out our videos for the best love and relationship news, entertainment and advice.