Socratic questioning [https://en.wikipedia.org/wiki/Socratic_questioning https://en.wikipedia.org/wiki/Socratic_questioning) helps me still to this day. I've al

Socratic questioning [https://en.wikipedia.org/wiki/Socratic_questioning https://en.wikipedia.org/wiki/Socratic_questioning) helps me still to this day. I've also found that finding confidence in the value that I do by measuring metrics (feedback, output, whatever works) helps as well, but ultimately a lot of discussions with my peers. [edit] It's important to realise, understand, and then accept that you will never be the one who knows everything the best. But accepting that you can move on, relax, find joy in doing what you do. And funnily in doing that you actually may be again one that knows better.