• Exercise moderately but regularly
• Eat healthy but delicious meals
• Regularize your sleep cycle
• Practice good personal hygiene
• Don’t drink to excess or abuse drugs
• Spend some time every day in play
• Develop recreational outlets that encourage creativity
• Avoid unstructured time
• Limit exposure to mass media
• Distance yourself from destructive situations or people
• Practice mindfulness meditation, or a walk, or an intimate talk, every day
• Cultivate your sense of humor
• Allow yourself to feel pride in your accomplishments
• Listen to compliments and expressions of affection
• Avoid depressed self-absorption
• Build and use a support system
• Pay more attention to small pleasures and sensations
• Challenge yourself

Taken from Richard O'Connor, PhD's Undoing Depression: What Therapy Doesn't Teach You and Medication Can't Give You, page 196