Read the following sentences from "Marriage is a Private Affair." In these sentences, Nnaemeka shares a letter from his father with his new wife, Nene. It amazes me that you could be so unfeeling as to send me your wedding picture. I would have sent it back. But on further thought I decided just to cut off your wife and send it back to you because I have nothing to do with her. How I wish that I had nothing to do with you either. Which of the following words best expresses the speaker's attitude toward his son?
formal
reserved
strict
stiff