Long-term happiness in marriage could be genetic

A new study from researchers at Yale School of Public Health reports that couples who share long-term happiness within marriage may have genes to thank for their longevity. Published in PLOS ONE, the study looks into a genetic variation that affects a social bonding hormone called oxytocin. "This study shows that how we feel in our close relationships is influenced by more than just our shared experiences with our partners over time," said lead author Joan Monin, associate professor at the Yale School of Public Health. …