One of the most important ideas in this book is that it is only by deviating from a narrow, short-term self-interest that we can generate anything more than cheap talk. It is therefore impossible to generate trust, affection, respect, reputation, status, loyalty, generosity or sexual opportunity by simply pursuing the dictates of rational economic theory. If rationality were valuable in evolutionary terms, accountants would be sexy. Male strippers dress as firemen, not accountants; bravery is sexy, but rationality isn’t. Can this theory be extended further? For instance, is poetry more moving
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