What should I do? I think everyone wants to laugh at me, bully me, look down on me and be afraid of people.

This is just your feeling or illusion. In fact, not many people can notice you, let alone others laugh at you when they don't notice you, don't you think?

Besides, it doesn't matter what others think of you. You must respect yourself first!

Why do you think people will laugh at you? You must feel inferior in some ways. In fact, everyone is not perfect and omnipotent. Everyone has a good side and a bad side, so do you. Find out your strengths and show them. Smile at yourself in the mirror every day and tell yourself that you are great. Stick to 1 month and you will feel much better. Because in fact, you don't have to be worse than others at all, believe me.