Ms. Fu is good at being submissive, while Mr. Zhang likes to be in control.
These two people,
Either they are a match made in heaven, and they will be together for a hundred years.
Either they have different views and dislike each other's way of life.
But actually, the ending of the story could still go like this...
It was written for fun, if you have to over-interpret it, this is probably a love fable/dog head.
Intention: Just a thought