"[T]he regime of diversions, surrogates, and tranquilizers that pass for today's 'distractions' and 'amusements' does not yet allow the modern woman to foresee the crisis that awaits her when she recognizes how meaningless are those male occupations for which she has fought, when the illusions and the euphoria of her conquests vanish, and when she realizes that, given the climate of dissolution, family and children can no longer give her a sense of satisfaction in life."