How deep can you love someone?
He has always believed that emotional matters cannot be forced. If two people are happy, they stay together. If they are unhappy, they separate. Degree is just a variable over time.
Later, when Mr. Zhan left, he finally understood how deeply you can love someone, and loving someone is not forced.
He wanted to start over, love again, and make up for the losses of these nine years of willfulness, but...