A sense of oppression and domination
I believe the best answer is to foreshadow the conflict between Clarence and his father.
Have a good day.
The irony is that the "nice" mom---Laurie's mom---is the one with the badly-behaved son. She just doesn't realize at first that Charles and Laurie are the same person. Again, the irony is that she believes only a bad mother would have such a bad kid, but HER own son turns out to be the bad kid.
Answer:
You receive a letter in the mail from a secret admirer.