marital satisfaction

When we marry, we hope to remain happily married until death, yet that is not the experience that most of us have.  Yes, most of us who get married will stay married, but committed relationships generally include plenty of significant bumps and bruises.  Here are some statistics to ponder:

The country of Bhutan has set its goal for development as "Gross National Happiness" rather than "GNP".  This got me thinking - what would happen if your goal for your marriage was GMH - Gross Marital Happiness?  Bhutan guides its development ideas with "four pillars of Gross National Happiness".  They are sustainable development, environmental protection, cultural preservation, and good governance.  What would be the pillars of GMH?