system
confident: Last week during a presentation I knew I was going to do well.  I had spent weeks learning the material.
human
Last week I had a big presentation at work, which I knew I was going to do well on.
human
That sounds like something that could really show off your talents.
human
I sure did, I had spent weeks learning the material, and really impressed my boss.
human
That's great! Hope your hard work pays off.