Researchers have found a gene in men that's linked to happy marriages, according to a new study. The gene determines how the brain responds to a hormone that has previously been shown to cause monogamous behavior in prairie voles; researchers found that men with a certain variant of the gene were less likely to be married to their partners, and if they were married, they were more likely to have had a marital crisis and to have discussed the possibility of divorce. In the study, researchers studied the genetics of more than 550 men who were in relationships, and then asked both the men and their partners a series of questions.
Men with a variant of the gene tended to score badly on a questionnaire designed to assess how well they bond with their partner and were more likely to report having suffered marital difficulties.... The wives of those who ...
