“Just the minute another person is drawn into some one's life, there begin to arise undreamed-of complexities, and from such a simple beginning as sexual desire we find built up such alarming yet familiar phenomena as fetes, divertissements, telephone conversations, arrangements, plans, sacrifices, train arrivals, meetings, appointments, tardiness, delays, marriages, dinners, small pets and animals, calumny, children, music lessons, yellow shades for the windows, evasions, lethargy, cigarettes, candies, repetition of stories and anecdotes, infidelity, ineptitude, incompatibility, bronchial trouble, and many others, all of which are entirely foreign to the original urge and way off the subject.”