system
anxious: I have to teach an in-service class at work next week. I am feeling a bit uneasy about doing it.
human
I have to teach an in-service class at work next week. I am feeling a bit uneasy about doing it.
human
OK,  calm down,  take a deep breath and relax 
human
I'm hesitant because I get nervous in front of groups.
human
OK,  now I get it. But you need to rehearse in front of a mirror,  that will help