Exercise and follow a proper diet.
Avoid caffeine, alcohol, illegal drugs, & tobacco.
Practice relaxation by prayer and meditation.
Be assertive in expressing how you feel.
Teach yourself practical coping skills such as breaking large tasks into smaller ones.
Be positive; for every negative thought, find two positive ones about yourself.
Learn to accept something less than perfection.
Take breaks during stressful situations.
Build and maintain a network of positive friendships.