Stress

Upset , Paper 1 get 73 only . hopeless already .
Today not a good day for me , more stress about my B.C exam on next Monday :(  Can you give me hope , let me get A , I will pay attention on B.C class after this exam already .... Don't let me disappointed , just let me keep on improve in this subject, Could you promise me ?  My dear B.C, don't add more stress on me already , I cant breathe when every time sitting for this exam paper.  May god bless me ! Lord Buddha !!!! TT