Our marriage is grounded in the word of God. That's really it. God is the core of our marriage and the foundation and the blueprint for it is how we live and being open and honest and communicating but ultimately doing what pleases God and not in a selfish manner.
Because your own strength is unequal to the task do not assume that it is beyond the powers of man but if anything is within the powers and province of man believe that it is within your own compass also.