I don't know who the 'guys on SRK' are, but people have infinite capacity to be mean to one another, especially for no, or little, reason. Such a strong, over-the-top reaction to your picture means nothing negative about you. At the worst, you don't push their buttons. So freaking what? You can't please everyone, certainly not with your body. Hell, I'm a plain little bugger lucky enough to have an accent that melts the cute American boys. Some people don't like how I look. Some people think I'm the cutest thing in the world.
This is a problem I see a lot of people have, especially those in positions that make their bodies seem so much more off, or wrong, or bad, or this, that and the other. The solution is a simple one: don't give a rat's arse about what they think. Don't hold yourself to another person's standard of beauty. Doing that draws pain, if you're seeking acceptance from everyone, or even just some others. Look good to you, and for you. If others don't like how you look, **** 'em. Simple as that. I may sound harsh or hard, but... hopefully these are things you've not considered yet, and you may be able to take something out of it.
This would simply mean that you were following the longer route to your 'enlightenment'. You were born, as anyone else is, inherently bisexual, if my theory holds. You were born innocent and unaware, without leaning towards one or another. As you got older, your environment and the people in it influenced your mind and development, as they influence all facets of a person growing up. Your experiences, I guess, lead you down a road forcing you to an extreme, for one reason or another.
Now, being on the extreme and closed-minded path doesn't dictate that you can't become open-minded once again and, as I suggested earlier, college in this country seems to be a safe-haven of thought and feeling. I get the distinct feeling that, in the U.S, you don't fit into college unless you're into something outside the norm. It seems to bring the students together, in an odd way. Regarding that, college itself seems to act as the catalyst, the stimulus that lets you open your mind back up, and consider 'what if's.
I like to think, with a triumphant smile, that you've proved my theory, at least in part.