For good reasons, some of which are associated with the universal male tendency toward sexual conquest. In general, the heart of a man will roam, while the heart of a woman seeks a home. Male sexual energy persists past female menopause, causing men to seek younger partners-or at least to be vulnerable to the temptation of doing so. The male by nature has no long-term investment in pregnancy; he may inseminate regularly with no time lost for childbirth. How are these biological appetites to be curbed, directed, focused?