Relationship Happiness and Your DNA: How One Gene Encodes Emotional Sensitivity

Inside the nuanced science of serotonin and the underappreciated upside of being a sensitive creature.

“An honorable human relationship — that is, one in which two people have the right to use the word ‘love’ — is a process, delicate, violent, often terrifying to both persons involved, a process of refining the truths they can tell each other,” Adrienne Rich wrote in her stunning meditation on relationships. A happy human relationship, it turns out, is contingent not upon the nature and deli...