On the other hand, I convinced the admission office to accept me into master degree programme. And I spent a lot of time with my friends to distract the impact on psychology. Furthermore, I told myself that I should forgive him and show smile when I met my teacher. I don't want him to feel that he win me over. And I am learning how to show respect to people and to myself. Nowadays, I am proud of still be myself.
By the way, personally, I think it is nothing to do with our nationality. I found that many students from other countries got failed as well. That was my experience. I hope it would be helpful for you.