If you've ever seen anything on Louisiana's 'Southern Decadence Days', monogamy does not fit into the gay lifestyle. these guys are trying to distance themselves from polygamists and find they logically cannot because they use the same arguments, and when you examine their lifestyles and how many relationships they have that never last on average a couple years, and are in 'committed' relationships that allow for 'Thursdays off' and such, they really are living polygamist lifestyles. They're just trying to fool themselves.
A gay male friend once confided in me that it's a known secret that gay male couples will go clubbing "together" and find someone to take back home...