system
confident: I have a performance evaluation coming up at  work soon, but I'm not the least bit worried.
human
I have a performance evaluation at work coming up soon, but I'm not very worried at all.
human
Good luck, are you pretty confident you're going to do well?
human
Yup, I bust my butt at work and make sure I always do my work right! I'm expecting a raise soon.
human
Yay! That's what makes all the hard work worth it. Congratulations! 