Even when you're feeling sad or angry, fearful, those are useful. Those emotions have developed in order to get you to take actions that will improve your situation. So part of it is just recognizing that this is useful, and this is helping you. If you feel that it's persisting too long, or that it's too strong, then there are ways that you can handle that. There's one type of strategy called reappraisal. Reappraisal comes from the word appraise.