Low self-worth can be detrimental to a person's well-being. If you think you are going to fail, you may well set yourself up for failure. Low self-regard can lead to poor health, mood disorders, and compromised well-being. On the flip side, if you are sky-high in self confidence, you may well tip into arrogant narcissism. Having the right amount of self-regard is key. A healthy amount will help you shake off negative criticism, as well as take in useful evaluation. See where you fall on our self-worth scale.