9 Profound Truths about Marriage

Marriage, an institution that has been at the heart of every stable civilization, often gets put on the back burner when it comes to time and attention. If we are to have marriages that are both meaningful and lasting, it is important that we understand what makes it work. Certainly there are truths about marriage and what is needed for its survival. Although there are surely others, 9 Profound Truths about Marriage stand out for me. Recognizing and living by these truths would go a long way to improving our relationships, and thereby our overall satisfaction with life.  Which of them are most relevant to your situation? What others, if any, would you have added to the list?