Genetics may play a role in determining the long-term happiness of married couples and whether they stay together, according to a new study from the Yale School of Public Health.
Jeremiah Rodriguez, CTVNews.ca StaffIf a marriage doesn’t work out, the couple’s genes may be to blame.
Although people fall in love for a number of reasons, including physical attraction and shared values, once they get married a big factor in the relationship’s longevity is a specific genetic variation to their receptors of oxytocin -- a hormone that plays a role in social bonding.
Participants rated their feelings of satisfaction and marital security and then provided saliva samples, which researchers used to determine their genotypes -- their cells’ genetic makeup which determines physical and mental characteristics.
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