Hilarious miscellany of sex advice throughout the ages from seven-week long Balinese foreplay and Victorian Viagra to swinging tips from the 1970s.It is one of the oldest questions in the world: How do you do sex? And it has prompted some of the most stupid answers in human history.Since the dawn of civilization, a bizarrely eccentric host of self-appointed experts has befuddled, frightened and confused questioners by selling them bull about the birds and bees.Ancient Chinese Viagra was made...