Go to a museum. Sit quietly by a stream. Try a new restaurant or a new recipe at home. Go out with a good friend and agree not to discuss problems or business. Stop along the way and smell the flowers.
Exercise does more to reduce stress hormones and chemicals in our body than any other activity.
You will feel better. Take a class in yoga , imagery training , progressive relaxation, meditation or autogenics. All of these will teach you how to relax your mind, body and emotions by focusing your attention on more peaceful thoughts. Audiotapes are an excellent way to learn how to let go and relax. Develop the skill of deep relaxation.