I'm so insecure about myself?

Don't be so insecure. I know that you say there are quite a few things going on, but don't worry about that. If you think you are unattractive, I am sure will will be guy who finds you completely beautiful!! I am sure you can not be that ugly. With your whole smile and braces thing, just remember, they will come off. They usually come off in an average of 1 1/2 years. If do take care of them, it may take a year instead. Don't let these things discourage you. You are intelligent, and that is a wonderful gift. try to reflect on all the good things in your life.