People with social anxiety live in constant fear of being evaluated negatively. How do anxious people use worry as "preparation" for social interaction, how do they misperceive threat, and how do they ruminate later about how badly they have done?
We often get stuck holding onto a decision that is no longer working for us, but we fear giving up. It may be that we are getting stuck on a sunk cost, focusing on the past rather than future utility. We keep digging a bigger hole.
Are you constantly putting yourself down and feeling miserable about what you do? Maybe your self-critic is in charge.
Learn some tools to put down the self-critic so that you can get on with your life.