It's rude to destroy your neighbor's things.
Ezra is getting angry when the lawnmower he borrowed from his neighbor stops working in the middle of the lawn.
Ezra wants to express his anger.
Ezra knocks on his neighbors door and discusses his annoyed feelings with his neighbor.
Ezra kicks the lawnmower over and over again until it breaks.
His neighbor shows him how to fix the lawnmower which allows Ezra to finish mowing the lawn.
Ezra has to buy his neighbor a new lawn mower.