About book The Dangerous Passion: Why Jealousy Is As Necessary As Love And Sex (2000)
I am a sucker for "how do people really work" with experimental evidence. This book delivers. David is a professor of psychology at the University of Texas who has spent a serious hunk of his career studying the strategies of human mating. Jealousy has evolved to protect against infidelity. Infidelity is bad for those being cheated upon because their genes are less likely to be passed on to a future generation. This book explores infidelity (especially the meat market-- what makes someone attractive?), jealousy (when has it proven appropriate or not), and the strong gender differences in these areas. It's a fairly dark book, because these are not happy topics; it spends a lot of time exploring how people's lives go awry. The last chapter of the book is "what wisdom can we gain from all this?" but it's pretty thin.
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