Do men and women have good marriages when their personalities coincide?

This should be similar to the meaning that three points are predestined and seven points depend on hard work.

With a good eight-character combination, it takes two people who are willing to manage this marriage the day after tomorrow. On the basis of good innate and acquired conditions, two people are willing to make sincere efforts, get to know each other and cherish each other, so as to make a good marriage.