Many types of men engage in same-sex relationships, for a variety of reasons, which Joe Kort, Ph.D, a psychotherapist, certified sex therapist, and relationship therapist at Joe Kort & Associates identifies on huffingtonpost.com.
In 2008 he started Straight Guise, a website and blog open to all who wish to read, post comments and have a dialogue about men who have sex with men. It explores the many reasons that men have sex with other men, only some of which have anything to do with homosexuality or bisexuality.