Don't talk with her la !!!
You are not tb and you don't need to hurt.
Play some games you like and you will not be so sad.
You can go to that party, and you can't afraid them.This is because you will need to go to school next time, so you can't absent.
You can also talk to your teacher and he/she will help you.
Hope I can help you and hope you can choose me for the best answer la.