The context of the following conversation is Jesse was teaching a class lecture, and wrote down their lecture on the board.:
Jesse says It was fulfilling to teach those kids..
The friend responds How many were in the class?.
Jesse responds About 20.  Its a normal size for a class..
The friend responds Did anyone misbehave?.
Jesse responds One kid threw paper at me, but I suspended him..
The friend responds Great!  You showed him who's boss!.