Sex is the most powerful, all-pervasive force in human experience. It may be intensely personal, meaningful, and creative at one moment, and depersonalized, meaningless, and careless the next. Much of its glory is that it can bring us as close as we may get in life to experiencing the mystery of our mortality, and because of this it is sanctified. Yet it can also be a blind, nearly irresistible force seeking wanton release on the biological level, and in this way its sanctity is perverted. Paradoxically, sex—the most chaotic, powerful, and untutored drive—can only be fully experienced when it includes...