What does the joke of daughter-in-law sitting next to the dog chopping wood mean?

The couple have been married for more than ten years and have never quarreled. The reporter interviewed her husband: How did you do it? Husband replied: My daughter-in-law is from Shandong. The dog barked at his daughter-in-law on her wedding day. She said quietly, this is the first time. Two days later, the daughter-in-law poured water and passed by the dog. The dog yelled at her. She said quietly, this is the second time. A few days later, the daughter-in-law sat beside the dog chopping wood, and the dog yelled at her. My wife returned an axe and cut off the dog's head. I think. My wife looked at me calmly and said, this is the first time. From then on, we lived a happy life ~ ~ ~

Daughter-in-law threatened with violence,

He was afraid that his daughter-in-law would say it the second time and the third time in the future, and then he would end up like a dog. His daughter-in-law hacked him to death with an axe for the third time.

Based on the above considerations, he will follow his daughter-in-law in everything, and naturally there will be no quarrel, so he is happy.

This is based on a foreign story.