How can i boost my confidence, self-esteem and self-respect?

yeah everyone experiences that. Sounds like you are self conscious. I struggle with the same thing. This is also where your self esteem kicks in. Loving yourself the way you are and paying attention to only the opinions that you have of yourself and not others is what you start with. There your self esteem with rise. But dont worry. I think everyone goes through this some part in their life. Its part of being human. On the otherhand, being self conscious isn't all that much of a bad thing it just depends on your level of confidence and how you display it. I've seen girls that dont care about their appearance, how they dress and dont care about what anyone thinks and look like totally slobs and sleezes. Their end of the self conscious spectrum is almost at a 0%. Saying that, being self conscious isn't that much of a bad thing cuz you should care a little bit about leaving an impression on people but not so much where it bothers you. Worry about impressing yourself first. Experiment with these mini skirts or other clothes you dont feel comfortable in go out of your comfort zone and see what you think you look good in and how you feel in it.