"When a man and woman are successfully in love, their whole activity is energized and victorious. They walk better, their digestion improves, they think more clearly, their secret worries drop away, the world is fresh and interesting, and they can do more than they dreamed that they could do. In love of this kind sexual intimacy is not the dead end of desire as it is in romantic or promiscuous love, but periodic affirmation of the inward delight of desire pervading an active life."