I have lots of female friends and I have no desire to sleep with any of them. Just because what she has between her legs is different than what I have doesn't make her attractive to me and just because she's attractive to me doesn't mean I want whats between her legs.
The benefit of friendship is that it allows you to accept a persons imperfections without being driven absolutely insane by them.
As a teenager I had more male friends then female friends, now that I am well beyond those years this has reversed. The last male friend that I considered to be a "good" friend, I married and I can assure you it did not turn out well. I learned after we married that he had intent to be with me from the very beginning and for two years he played it very well. Although I am doubtful that a man can simply be friends with a woman I would like to try as I do enjoy being with the opposite sex just on a more intellectual level. It is always interesting to see, hear and learn the views of a man-some times funny sometimes challenging and somtimes totally the opposite of how I would have thought (which is what makes it so fun).
I would have to say speaking as a woman.... male "Friends" exist. A lot of women tend to "friend zone" guys and throughout life, he would be nothing more than a friend. I have a lot of male friends in which we hangout, talk, party and just have fun. We do not have sex, so I believe its possible to have guy friends and not make them bofriends. You can Never have to many friends. The hard part of having guy friends is that they might actually start having feelings for you and that is when it becomes complicated.
I think that it depends. The majority of my friends are male. It's a personal preference of mine though. I live in Small Town USA where everybody knows everybody's business. In other words - lots of gossip. I'm not one to engage in "He said/She said". Out here, most of the women that I've come into contact with do nothing but gossip. I'm not stereotyping and saying all women are like this - just most out here in the boonies. Guys are, for the most part, laid back and drama-free. They are so much easier to talk to and hang out with.