Romantic love, I believe, is one of three primordial brain networks that evolved to direct mating and reproduction

“Romantic love, I believe, is one of three primordial brain networks that evolved to direct mating and reproduction. Lust, the craving for sexual gratification, emerged to motivate our ancestors to seek sexual union with almost any partner. Romantic love, the elation and obsession of ‘being in love,’ enabled them to focus their courtship attentions on a single individual at a time, thereby conserving precious mating time and energy. And male-female attachment, the feeling of calm, peace, and security one often has for a long-term mate, evolved to motivate our ancestors to love this partner long enough to rear their young together.”

Helen Fisher, Why we Love, the Nature and Chemistry of Romantic Love P. xii

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