1. Go to bed at the same time.
2. Cultivate common interests.
3. Walk hand in hand or side by side.
4. Make trust and forgiveness your default mode.
5. Focus more on what your partner does right than what he or she does wrong.
6. Hug each other as soon as you see each other after work.
7. Say "I love you" and "Have a good day" every morning.
8. Say "Good night" every night, regardless of how you feel.
9. Do a "weather" check during the day.
10. Be proud to be seen with your partner.

To find fuller explanations of these habits go to: http://www.markgoulston.com/insights/20070206283395111779.shtml

The field of positive psychology shows that positive intentional activity can make a large change in our outlook on life. Doing as many of the suggested behaviors is certain to improve your relationship.