Cao Zhen once thought that in the current Minor Era of Inversion of Heaven and Earth, there was nothing left for him to fear. But seeing his mother cry, he realized he still had fears.
Cao Zhen quickly began to explain, "Mom, I told you and Dad that I needed to undergo a long period of seclusion. Here I am now, visiting you."
"You have the nerve to say that? You mentioned a long seclusion, and I thought a few months, at most a few years! Do you realize how many years have passed since you last visited?" Cao Zhen's mother's voice was choked with sobs as she extended a hand and gestured the number four, "Forty years, you haven't come to see me and your father for a whole forty years! Not four days, not four months, and not even four years, but forty years!"