The “what”—what sex actually is—is a journey into an extraordinary state of consciousness, where we tune out everything extraneous to our emotions and our senses in this very moment, travel into a realm of delicious sensation, and soak in the deep connection. This journey is a voyage of awakening, as if the nerves whose job it is to transmit feelings of delight had been lying asleep but have suddenly leapt to attention, aflame, in response to a nibble or a caress. Perhaps what we call foreplay is a way of seeing just how awake we can get—all