If you truly believed in yourself, you wouldn't have even turned your head. You can turn your head without looking. I couldn't have cheated, I just couldn't have. Cheating is so bad, though. People have other people take exams for them.
People change their own grades.
People copy other people's work. Not necessarily, but you did cheat. No, I'm not. Obviously their situations are much worse. But yours isn't condonable either.