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"  Love is warm and fuzzy and wonderful, but it&amp;#039;s also just a series of chemically generated reactions between neurotransmitters (thanks, Mental Floss). Relationships start with a rush of dopamine and nerve growth, which is the warm fuzziness, followed by extra serotonin, which makes you all needy and codependent. But once you get into the peeing-with-the-door-open phase, CRF (corticotrophin-releasing factor) takes over to make the two of you miserable when you&amp;#039;re apart. The most interesting part of the Mental Floss article, though, is that men have something called vasopressin mixed into their chemical cocktail, which keeps them faithful in healthy relationships. Scientists found that when they blocked vasopressin in prairie voles (prairie voles!) the typically faithful rodents became fuzzy little Tiger Woodses. So it&amp;#039;s vasopressin you can thank for making sure your guy doesn&amp;#039;t think solely with his penis. Photo Credit: Getty Want more from Frank? Follow him on Twitter. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cosmopolitan.com/sex-love/advice/a18495/the-anti-cheating-chemical/?src=rss>