Self-acceptance and confidence are closely related concepts. One builds on the other. Being able to accept yourself as you are, free of any demand that you be different, provides the basis for confidence in your abilities. Confidence, in turn, will enable you to take risks, try new things, and direct your own life.
To accept yourself is to acknowledge three things: (1) you exist, (2) there is no reason why you should be any different from how you are, and (3) you are neither worthy nor unworthy.
Acknowledgment that you exist is probably straightforward. It is the other two parts that most people find hard to grasp.
Self-acceptance involves rejection of any demand that you be different. You may sensibly prefer to be different. You may decide it is in your interests to change some things. But keep the desire to change as a preference. Instead of believing that you have to change, see change as a choice.
Do not attempt to measure your selfor set some kind of valueon yourself. Self-acceptance is radically different to self-esteem. Self-esteem is based on the idea that you are a goodor worthwhileperson. Worthwhileness requires some criteria, like how well you perform, or the idea that you are worthwhile simply because you exist. Self-acceptance, on the other hand, is based on the idea that you dont have to be goodor worthwhile. In fact, there is no need to evaluate yourself at all! Instead of evaluating your self, you use your energy and time to evaluate (1) your behaviour, and (2) the quality of your existence.
Evaluating your behaviour is a good idea. You can check whether it helps you enjoy your life and achieve your goals. It is also a good idea to evaluate the quality of your existence. Your enjoyment of life is surely important - more important than worrying about whether you are a worthwhileperson.
Having confidence in your abilities
Self-knowledge and self-acceptance are preconditions for confidence. To have confidence in your abilities involves three things. First, you know what you can and cant do. Second, you are prepared to try things to the limit of your ability. And third, you regularly work at extending your capabilities.
Having confidence in your abilities is different to having confidence in your self. Self-confidence implies perfection - that you, as a total person, are able to do everything well. This is unrealistic and grandiose.