Lol, don't worry to much on the cliche steryotypes, everyone is different, for e.g, I am gay, yet I don't act too camp/flamboint and I hate clothes and shoe shopping and I hate pink. I do fit some of the steryotypes, but some straight guys do aswell.
I knew straight a way that you may of been a bit confused with your sexuality, by you asking that question "how did people react?" But there is no rush, don't worry about it to much, you will be what you are...Be it gay, straight or bisexual, follow your heart and don't let others pressure you into something you are not.
Alex.