BROmance?

If any of you ladies out there have ever watched Bromance, you probably know why I watch it. A bunch of hot guys competing for Brody's (hottie from the hit show The Hills) friendship. I took my time observing this show, and I acutally picked up a lot of sexist outlooks, even though surely unintended.
First of all, the men on the show are all there to win Brody's friendship, and obviously, fame. I had never thought this before, but why are they all men? Can Brody not have a female best friend? Of course not. In today's society, men hang out with men and women hang out with women. That is just socially accepted. They portray this idea in Bromance. Men do manly things, such as drink together, pick up "chicks" and watch football; right?
The idea of the show is to have all of the men compete against each other for Brody's friendship. In order to do so, Brody picks silly tasks for each man to complete in order to prove his loyalty, sense of humor, honesty, or some other wonderful trait like that.
In watching and observing the re-runs of the show. I have noticed that nearly all of these competitions are MASCULINE. They vary from picking up girls on the street, to drinking the most, to who is the strongest. The one that really caught my eye was last weeks episode. It involved the "friends" dressing up in a fashion line that they believed Brody created. Brody, of course, made them look absolutely ridiculous (society's opinion). They were dressed up in tight jeans and pink tank tops. Now i thought to myself; why is this ridiculous...? OH YEAH, because society wants men to wear baggy clothes and be REAL MEN. They were all so embarrased to wear the outfit, but no one said anything to Brody about it because they did not want to hurt his feelings or upset him. Therefore, failing the test of honesty. Truly though, if there were no gender roles in society, would the men have minded wearing the "feminine" clothes?