In the good old G4M days, this was an interesting thread. I say interesting, not because I am believe (or don't believe) in astrology or that it really matters to me if it's actually written in one's horoscope that he is gay. But I found it interesting because of the interesting responses that guys posted in that thread. Many of them in that thread confirmed that they had visited some astrologer who had told them about it, either openly or in subtle terms. Like one of this guys said that his astrologer, after seeing his horoscope, looked at him and smilingly, asked him "You don't seem to be liking girls."
I don't recall it exactly, but I guess, it's got to do with the position in which Venus (Shukra) finds it's place in our horoscope. Have you come across any such instances or experiences with an astrologer?