"Mum, can you tell me a little about you and dad's relationship, why does he always hit you when you two argue?"
Lady Chen sighed and began to speak.
"The physical abuse is both our faults. Sometimes, when we don't agree with certain things, we start to argue and give each other our points. I am someone that doesn't like being controlled by other people, including your father. So when I feel like he is trying to cage me, I start arguing with him, and because of my stubbornness, I tend to talk to him without respect. And him being hot-tempered, could not tolerate it, and will end up hitting me."
What Lady Chen said is the absolute truth. Both of them (Lady Chen and Chen K) are at fault.
One had anger issues, why the other one doesn't like being controlled by others.
One thing about Chen K is that he is too possessive of everything that belongs to him.