"I'm not good enough." Nearly everyone of us carries this negative identity that may be activated by specific situations. When it's activated you feel scared, or embarrassed, or defensive, or anxious, or small. For some, this identity kicks in when they have to do public speaking. For others, it happens when attempting to form a romantic relationship. It doesn't matter who in the past encouraged you to feel this way.
This negative identity was created by you, probably when you were very young. It's not your fault, or anyone else's. It is simply what humans do. Most people carry this identity throughout life, often avoiding what they want because they are afraid, or embarrassed. Others continually sabotage themselves because "they aren't good enough'.
There is a payoff, of course. If you aren't good enough, then you don't have to step up and be wonderful, or beautiful, or intelligent, or proficient, or lovable. It keeps you safe within your self-imposed limitations..
Or, you could face it. You could allow yourself to feel it. It's uncomfortable, but feeling it without judgment and without identifying with it will allow the emotional charge to flow out of you. You could become uninterested in maintaining it. You could matter of fact-like give it over to your Spirit. You could decide to be someone else, because "I am good."(or beautiful, or competent, or talented, etc.) is also an identity within you. You could allow yourself to feel that, knowing that is who you are. Cultivate that!
William Frank Diedrich