He had only one pupil.
He couldn't handle his boos.
It was hard to make a living.
Pupil: Well if I could there wouldn't be much point in me being here!
Ghoulboys and ghoulgirls.
Execution is everything.
Color coded: "Yellow in front, brown in the back"
He only had one pupil.
Because he only had one pupil! The joke is that I have no friends