Where is the man going?

M: I’m sorry I can’t go with you to the cinema but to the class to have a test.
W: That’s too bad. I wish that you could come along.

W: What ages are your children?
M: My first son is 24 and my second son is 20. My daughter is over 15.
W: What about your wife and you?
M: My wife is 46 and I’m twice my first son’s age.