Although the possibilities of mating our bodies seem stereotypical and meager, pleasure jets in a thousand different ways through the mind’s inexhaustible thirst for bliss. Sex between the thighs, sex between the buttocks, and in the warm, damp mouth, its tongue more erotic than labia, are only the readily cartographed foundation of the edifice of carnal love. But the center of pleasure is in the brain, and this is where the dark and burning mole maze begins,