Ironically, Arnold saw more pussy in one week than you have in your entire life. 
Like I said before there's always exceptions, but the evidence of the success of the skinny body with women is all over.
Knowing this, why does so many try to gain muscle when that will only make them get laid LESS?
The answer can only be this - theyre not interested in getting laid, at least not with women.
There's other reasons why they lift weights and want to gain muscle.
They doesn't necessarily have to be homosexual, although probably a lot of them are, as I talked about in the beginning of this thread it can also be an issue of insecurity etc.