It's nice to team up with others.
Pat had a big exam coming up, and he knows his classmate Jeff is also having trouble.
Pat wants to decide whether he should exchange notes with Jeff.
Pat asks Jeff as they're walking out of class if he'd want to exchange notes with him.
Pat would rather compete with Jeff to get a better grade, so he studies on his own.
Pat does well on the exam and feels grateful for Jeff.
Pat does poorly on the exam, and he regrets his decision.