Identify words you tend to use that trap you into feeling depressed. Should Have to Can't Must Never Always Notice how you feel when you use such words. She left my office determined to improve. In less than a minute she was back in my office laughing. While walking down the stairs she noticed herself beginning to feel tense.
Habits take time to change.
Identify words you tend to use that suggest you have a choice. I prefer . . . It would be better if . . . I will . I won't .