What’s the probable relationship between these two speakers?

W: John, what are you doing on your computer? Don’t you remember you promise?
M: This is not a game. It’s only a crossword puzzle. It helps increase my vocabulary.
Q: What’s the probable relationship between these two speakers?

M: Your son shows a great enthusiasm on the social activities.
W: I only wish he’d show as much for his studies. The final exam is around the corner.
Q: What does the woman imply about her son?