My mother said that she had a mission to conquer my father, and if she didn't defeat my father, she would be wiped out of the system.
The kind that died miserably.
In order to let my mother survive, I secretly told my father, but what I got was his cold reply: "If you die, you will die."
Later, my mother really died.
However, the father who vowed to "die if I die" at the beginning went crazy.