9. Love is a verb, not just a feeling. Everyday life wears away the "feel good side of marriage." Feelings, like happiness, will fluctuate. But, real love is based on a couple's vows of commitment: "For better or for worse" – when it feels good and when it doesn't.
10. Marriage is often about fighting the battle between your ears. Successful couples have learned to resist holding grudges, bringing up the past and remembering that they married an imperfect person – and so did their spouse.
11. A crisis doesn't mean the marriage is over. Crises are like storms: loud, scary and dangerous. But to get through a storm you have to keep driving. A crisis can be a new beginning. It's out of pain that great people and marriages are produced.