Zhang Yichen was about to leave for work when he heard once again the sound of an argument coming from his parents' bedroom. He really didn't understand why the couple was fighting again at this moment; they had already decided to go on a world tour, so why had they suddenly changed their minds?
He truly couldn't grasp the adult world, even though he had his own child and was nearing 30, but he still didn't understand why his parents' relationship had become so delicate, erupting into arguments over seemingly trivial matters.
Couldn't a family get along peacefully? Did they have to quarrel back and forth for it to mean anything? Such quarrels brought pain to everyone—didn't they realize it? Why didn't they understand even the most basic common sense, and only knew how to argue, to conflict over their own selfish interests?