A: What is your job?

B: I'm a teacher.

A: What grade do you teach?

B: I teach 9th graders.

A: Do you like your job?

B: I hate it.

A: What do you hate the most?

B: I hate that they never listen to me.

A: You can always punish them.

B: I hit them.

A: You what?!

B: I'm just kidding!