Your Genes Could Be Helping Your Marriage
One portion of the serotonin transporter gene, known as the 5-HTTLPR polymorphism, seems to correlate with someone's sensitivity to emotion. This could explain why some couples feel more satisfied than others in marriages where negative emotions are equally prevalent. A 13-year longitudinal study published in 2013 produced results that were consistent with this theory.
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Key Facts In This Video
One longitudinal study found that couples' satisfaction with their marriages didn't necessarily correlate to the emotional environment of the marriage. 00:41
A variation on the serotonin transporter gene may cause someone to be more sensitive to different emotions. 01:43
Genetic variances result in slight biases that aren't immediately obvious from instance to instance. 03:21
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