"A detailed, eye-opening account of the real sexual underground in America . . . a thorough and serious study."-- Playboy From Different Loving: In order to understand unusual sexualities such as dominance and submission, one first has to consider the question 'What is normal?' If the unique function of sex is reproductive--and the only reason men and women should engage in sex is for the purpose of creating a new life--then only heterosexual intercourse...