C: When I grow up I'm not going to get married. I'm going to move out of home to a big city.
E. I'm just going to stay home and live with mom and dad.
C. Well you'll have to look after them, wash their clothes and bring them soup.
E. I won't do that.
C. Old people really like soup, you'll have to do it.
E. Okay, I guess I can.
C. (about all the grandparents will be dead) etc. etc.