The biochemistry of NRE is becoming fairly well understood. During the early stages of a romantic relationship, our brains go a little haywire. Several neurotransmitters, most notably dopamine, serotonin and norepinephrine,* are produced in greater quantities, generally producing emotional effects that are part attraction and devotion, part obsessive-compulsive disorder, part mystical experience and part physical lust. We become infatuated and twitterpated whenever the person is near. In this state, we're biochemically predisposed to overlook their flaws and faults, see the best in everything
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