Beyond psychological "revelations," the book includes several highly debated practical sections:
: One of the book’s central metaphors describes men as being in one of two states: "loaded" (driven by sexual desire) or "unloaded" (temporarily satisfied and loyal). The authors claim that a "loaded" man will seek to "unload" whenever the opportunity arises, often regardless of his commitment. Beyond psychological "revelations
: The authors make the staggering claim that only 3.6% of men are truly faithful. They argue that if given an opportunity to cheat with an attractive partner without fear of being caught, a man will do so "always, without fail". a man will do so "always