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"Feelings of romantic love can boost levels of dopamine, a neurochemical associated with creativity, while sexual desire can raise levels of testosterone, known to promote analytical skills. And these chemical links may have evolved for an important purpose: increasing the likelihood of sexual reproduction. In ancestral days, creative individuals may have used their inventiveness to attract future mates, while sex-focused individuals harnessed analytical clarity and short-term focus in order to bed a partner here and now. Thoughts of either love or sex could pay off in the form of children—the ultimate measure of survival."


Dr. Helen Fisher
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