As the founding editors of Men’s Health magazine, Stefan Bechtel and Laurence Roy Stains, so succinctly put it in their book Sex: A Man’s Guide, “Studies show that three fourths of men are finished with sex within a few minutes of starting. But women often need 15 minutes or more to become sufficiently aroused for orgasm. And therein lies a world of rage, grief, and airborne pots and pans.”