Your Genes Could Be Helping Your Marriage

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.

04:46

from Fig. 1 by University of California

Key Facts In This Video

  • 1

    One longitudinal study found that couples' satisfaction with their marriages didn't necessarily correlate to the emotional environment of the marriage. (0:41)

  • 2

    A variation on the serotonin transporter gene may cause someone to be more sensitive to different emotions. (1:43)

  • 3

    Genetic variances result in slight biases that aren't immediately obvious from instance to instance. (3:21)

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