Gays Fight Nicer?

In an interesting first-person story about the difference between gay and straight relationships, TIME writer John Cloud discusses the end of his 7-year relationship with his boyfriend. An interesting bit about the way gays fight:

Research on gay relationships is young. The first study to observe how gays and lesbians interact with their partners during conversations (monitoring facial expressions, vocal tones, emotional displays and physical reactions like changes in heart rate) wasn't published until 2003, even though such studies have long been a staple of hetero-couple research. John Gottman, a renowned couples therapist who was then at the University of Washington, and Robert Levenson, a psychology professor at the University of California, Berkeley, led a team that evaluated 40 same-sex couples and 40 straight married couples. The psychologists concluded that gays and lesbians are nicer than straight people during arguments with partners: they are significantly less belligerent, less domineering and less fearful. Gays and lesbians also use humor more often when arguing (and lesbians use even more humor than gays, which I hereby dub "the Ellen DeGeneres effect"). The authors concluded that "heterosexual relationships may have a great deal to learn from homosexual relationships."

Gays fight nicer? That's news to me.