The conflict of the sexes is reflected in religious dogmas - from the commandment about the neighbor's wife to the establishment of mutual sexual obligations of spouses. The codes of law created under his influence prescribe who and with whom may or may not have sex. Its manifestations shape our sexual morality, determining what should evoke our enthusiastic approval and what should be condemned with contempt. The double standards it engenders are widespread even in the most sexually egalitarian cultures on the planet. But while we all experience sexual conflict, most of us only see the tip of the iceberg: date cheating, political mischief, the slow disintegration of a once-happy marriage, the violent end of a romantic relationship. The book "Why Men Do It" shows that the war of the sexes is something much deeper and more global than we think. David Bass reveals the mechanisms of this phenomenon, formed during the long evolutionary changes in our sexual psychology, formulates a new unified theory of sexual conflicts and at the same time offers practical advice to men and women who would prefer to avoid these conflicts.