Catherine has told Henry Tilney that she is worried about the growing flirtation between his brother Frederick and Isabella, who is engaged to Catherine’s brother James. Catherine then asks Henry to tell his father to intervene and send Frederick away, but Henry refuses. Catherine is still moving from girlhood, when anyone who misbehaved was told that they were doing the wrong thing, to womanhood, when there are many decisions that individuals make on their own. She does not realize that Frederick, James, and Isabella are all adults and cannot simply be told that they are behaving badly and should do…