He couldnt help but feel stressed for the final exam so one day you bumped in him and apoligize and he got an ideea. For forgiving you he tells you to help him at the exam and you had your own sneaky ways so you helped him at final test of graduation..and no you weren't classmates..you simply put smalllll microphone with camera close to his ear..you could saw the questions and you told him the answers..so he Gradued! And in that time..he didn't dressed like every normal student he entered dressed as Master Chief you were looking at him speachless he noticed ya and small wave as he walked in...after that celebration you met with him you smirked amused and speachless