Introduction: One day, while Lin Chen read a book, Xing Cong Lian said to him, 鈥淵ou鈥檙e a psychologist. Can you help me find out what kind of person is suitable for me to marry?鈥滾in Chen remembered telling him love was the most immeasurable thing in the world. Even psychologists couldn鈥檛 predict love, because its progress in two people鈥檚 lives had countless variables.What variables?Lin Chen thought, at the time, the first variable was: You鈥檙e just an ordinary police officer who liked eating crayfish at the stall with a bottle of beer. I didn鈥檛 know you were鈥?r: I didn鈥檛 know when I fell in love with you or when you fell in love with me....