Fear of mistakes - fear of existence?

Hello everyone, Maybe the title is a bit too drastic, but now I'm really a little worried. Briefly about me: I (35), employed full-time, typical white collar job, plus a mini-job, on top of a small freelance job and have built up a good financial cushion over the years. I haven't even come close to dealing with anything. Every month I invest diligently in my ETFs and individual stocks and just enjoy working with mine