The essence of stress is over reaction. We tend to make things up in our mind and worry about them as if we have a psychic mind - we tend to catastrophize. So instead -
Keep a happy Journal. Write down what made you happy today. Applaud your life
Lighten up...take the seriousness out of things
Laugh
Hug

Tickle
Have a day of psychodrama with your mate. You are king for a day, she can be queen for a day. You are only limited by your imagination!