"I thank [Kilgore] Trout for the concept of the man-woman hour as a unit of measurement of marital intimacy. This is an hour during which a husband and wife are close enough to be aware of each other, and for one to say something to the other without yelling, if he or she feels like it. Trout says in his story "Golden Wedding" that they needn't feel like saying anything in order to credit themselves with a man-woman hour. [...][A character in Trout's story] calculates that an average couple with separate places of work logs four man-woman hours each weekday, and sixteen of them on the weekends. Being asleep with each other doesn't count. This gives him a standard man-woman week of thirty-six man-woman hours.He multiplies that by fifty-two. This gives him, when rounded off, a standard man-woman year of eighteen hundred man-woman hours. He advertises that any couple that has accumulated this many man-woman hours is entitled to celebrate an anniversary..."