system
confident: I had studied for an exam for severl days. I was very confident I would ace the exam
human
I had studied for an exam for several days, so I was confident when I strolled into class because I knew I would ace it
human
and did you knock it out of the park? 
human
Uh, I made a B on it,  so it was a false sense of confidence, lol
human
Perhaps be less cocky next time? Either way B's get degree's. 