confused about sexuality

Thanks for your replies.

The doctor I went to usually doesn't prescribe medication to people, but she knows my history of obsessions and since my thoughts are interfering with my work life she thought it might be a good temporary stepping stone.

I went out today and noticed that lots of men appeared good looking to me, and I felt kind of gay, especially around my upper lip.

I don't understand it. I've never had any sort of sexual, romantic or intimate fantasy or longing to be with another man. But now I think all men are good looking and noticed very few attractive women. I also have this strange idea that most men are gay and that they can see me with their "gaydar". I also worry I will act upon these ideas and regret it.

When I masturbate I only think about women, but then start thinking about being gay and then lose my erection.

I really don't know what to think about my sexuality. Maybe I am in the closet, although I don't consider myself homophobic and usually try and be honest with myself.

There is a possibility I will go on the medication to determine whether these gay feelings are a result of obsessive thoughts or are really my feelings.

I would be disappointed if I was gay as I would like to have a life with a woman, who I can be sweet, caring and loving to. I'm not sure I can have those feelings with another man. But if I'm gay I'm gay, and if it does bring me happiness then I guess that's okay.

I'll try and make an appointment with a psychologist and determine what my sexuality is. I have a feeling I'm 70% heterosexual and 30% homosexual, but as Alexi12 said, just over-thinking certain feelings.