Mindful, Married and Happy
Great article from www.mindful.org.
Mindful, Married, and Happy 
University of North Carolina researchers explored whether particular aspects of mindfulness relate to marital bliss. Their survey of 164 long-married couples found that the happiest spouses tended to be married to individuals who reported less reactivity to inner experience. Perhaps calmly observing your reactions during a conflict without yelling or withdrawing fosters more constructive discussions with your partner.