focusing on attractiveness to the exclusion of other traits ignores the fact that lust inevitably fades over time (and remember, we’re going for long-term success here). In his book The Science of Happily Ever After, psychologist Ty Tashiro analyzed a fourteen-year longitudinal study of satisfaction in marriages over time. He found that over the course of seven years, “lust” (sexual desire) for a partner declined twice as fast as “liking” (friendship characterized by loyalty and kindness). Biological anthropologist Helen Fisher helps explain why that happens. Lust is incredibly intense in the
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