Where does Dennis see his first video game? What game was it?

Why isn't Dennis allowed to play video games like his friends? How does that impact him?

How does Dennis let his parents know he wants a game-playing system for Christmas? What game system was it? What did he get instead?

Why is Dennis suspended from college? What does he tell his mother?

Who were the "angels" who visit Dennis? What did they really represent?

What mistakes did Dennis' father make in his relationship with Dennis? How does Dennis realize that his father has regrets about their relationship?

Why does Dennis leave medical school? What does he do for the year he's away from school? What makes Dennis decide to return to medical school?