You shouldn't drive a wedge between families.
Owen's parents are having a serious argument and are asking him for his opinion on which one of them is correct.
Owen wants to help his parents resolve the issue.
Owen looks at both sides of the story and explains the pros and cons of each argument while proposing a solution with a viable compromise.
Owen decides to take his father's side and tells his mother that she's wrong.
Owen's parents thank him for his thoughtful contribution and take his solution into consideration.
This ends up causing even further division between his parents, and they eventually end up filing for divorce.