That really sucks, Julie. But don't hate yourself. I spent the better part of 20 years hating myself, and now I see how much it's brought me down. (which makes me hate myself even more if you can believe it.)
My sister went through a lot of the same things a while ago. Just remember that people are dumb. They'll say what they will, and afterwards you'll know who your friends are and who was just using you.
H-D 