Is the funniest joke in the world funny?

Yesterday in class, suddenly my father called me and told me to "hurry home, daughter, something happened to your brother." I get flustered when I hear it. Run home on leave. When I got home, I saw my mother sitting on the sofa, her eyes red. I asked my father, "Dad, what's the matter?" Dad said: "Your brother deleted your mother's happiness, and your mother has hit more than 500 levels!" " ! ! !