You forgive as you want to be forgiven. You show mercy as you want to receive mercy. You encourage as you wish to be encouraged. You seek to be as unselfish as you want him or her to be. You constantly pray for guidance, wisdom, and understanding to develop as the husband or wife you can become.
Successful marriage is very much a faith issue.
If you want your marriage to constantly grow toward the ideal relationship, there is an attitude that you must not have, and an attitude that you must have.