Why do they mention this issue?

John's words scared Bertha, and Bertha's big round eyes stared at him. Bertha did not expect John to say such cruel words. Did he want to kill Bertha? Is this John's plan or just a simple statement from him? At this time, Bertha began to realize that John was also a cruel person like Monica. If he was willing to kill Bertha to prevent this incident, Bertha would no longer have any hope of living. She looked at John with frightened eyes, Bertha's trembling voice rang out, and she spoke.

"John! You shouldn't joke around like that, we're lovers, you and I are allies, and you can't kill me over this small matter, right? After all, the child in my belly is a great weapon in the fight for inheritance. As long as Dominic doesn't know this, our son can become the heir. John! Please stay calm and handle this in a more positive way."

Bertha doesn't know if John really killed her or not, but now is the critical moment. She won't know what a crazy person like John will do to protect her rights, s