Drink more water - Not coffee, soda or tea. Nearly two-thirds of the body is water. Water balance is part of good health. Among the many important functions of water are body temperature regulation, circulation, urine production, and energy production. Reduce or eliminate addictive substances such as caffeine and nicotine - Both caffeine and nicotine have withdrawal symptoms and are addictive.
Caffeine can act a diuretic, which results in water loss.
Nicotine is what cigarette smokers are addicted to and much has been written about the health affects of cigarette smoking. It is easier to relax when you eliminating these substances from you body. Laugh more - Watch a good comedy, invite friends over, read a funny story. Laughter is considered good medicine. When you laugh, endorphins are released in the brain, which helps to reduce stress and improve your mental outlook.