I was feeling pretty bad last night and contacted the crisis textline... I got a useful link that contains 10 tips for "untwisting" your thinking. I've copy-pasted it here:


https://acquia-prod.oswego.edu/couns...r_thinking.pdf

I especially like "Thinking in shades of grey," where you rank things from 1-100 so that you realize you have made at least a partial success rather than total failure with black-and-white thinking.