To consider the clitoris and the nature of female orgasm and the cervix too, as well as male equipment and the way we have sex, is to confront not just the vague possibility but the likelihood that women are made for sexual gratification and for pursuing it, and for mating multiply, in ways that men—who come and are done—are not. Female biology suggests that women are built for sexual experimentation, for reckless days and heedless nights, putting us in conflict with our current cultural container, to put it mildly.