Wat do I do Am I Gay?

I have started to like looking at guys. my parents friends and family all detest gay people, but have been watching some gay and it turned me on. I want to like girls but i just cant seem to get it up (my thing) when looking at them. I would never want to be one of those gay people who every one knows is gay the minute people look at them. i only like looking at masculine men. I just don't know what to do please give me some advice.