Queerty.com reports on a study intially published in Scientific America, about the sexual roles gay man take on and their associated  psychological make up. Tops, vanity and self esteem issue, verse guys are well adjusted and open to new experiences. A telling excerpt from the study concludes how tops are:

“tops were more likely than both bottoms and versatiles to reject a gay self-identity and to have had sex with a woman in the past three months. They also manifested higher internalized homophobia—essentially the degree of self-loathing linked to their homosexual desires.”