Sex and Novelty: Your cheating heart may have genes at play

Monday, September 14, 2009 - 14:28 in Psychology & Sociology

Ever fall in love with total abandon, experience mind-boggling sex, been sure you wanted to stay together forever -- and then notice recurring emotional friction arising? Does one of you sometimes becomes clingy or demanding while the other feels devoured and needs "space?" This misery isn't necessarily due to bad luck or personality quirks. Quite possibly it's coming from an ancient genetic program running in a primitive part of your brain. It becomes more evident after lovers' initial booster shot of honeymoon neurochemistry wears off, so new lovers firmly believe they are immune -- as do people who aren't getting enough loving.

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