You shouldn't laugh at your coworkers.
Joey is working construction with his coworker who keeps making mistakes.
Joey wants to enjoy his time with his coworker.
Joey shows his coworker how to correct their mistakes so that the both of them can work more smoothly and have more break time to enjoy.
At the expensive of his coworker's mistakes Joey is entertained by the coworker chuckling at every misstep.
Joey's coworker appreciates the tips and feels more confident about their own work going forward.
Joey's coworker get fuming anger at consistently being laughed at.