Why do we need a healthy self-esteem?

Why is it important to appreciate yourself, your feelings, emotions, plans and dreams? Yes, to live a MEANINGFUL life and enjoy it. Therefore, the key to a healthy self-esteem is to make a positive sense of life, following which you would experience much more positive emotions toward yourself and others, than negative ones. With a healthy self-esteem, you feel satisfied and happy and can pursue your goals at your own pace.