person A: I have to teach an in-service class at work next week. I am feeling a bit uneasy about doing it.
person B: OK_comma_  calm down_comma_  take a deep breath and relax 
person A: I'm hesitant because I get nervous in front of groups.
person B: OK_comma_  now I get it. But you need to rehearse in front of a mirror_comma_  that will help