Top Highlights

• “In direct manipulation of the clitoris there is a narrow margin between stimulation and irritation.”
• The stereotypical ideal female—Barbie tall with Barbie big breasts—is the one least likely to respond to a manly hammering.
• Having spent the past century shackled to reproduction, sex suddenly emerged as a recreational pastime. Orgasm—particularly women’s—became a prerequisite for good health and matrimonial harmony, and dozens of authors, medical and not, chimed in with tips on how to achieve it.
• To produce an ejaculate with optimum potential for fertilization, Levin recommends a holding time of five days.
• To get inside a lubricated vagina, a penis needs to be hard enough to push against the opening with one to two pounds of force.* That is approximately the amount of force required to open a swinging kitchen door.