I handed in the project and everyone called it a win, and all I could see was the paragraph I'd rushed and the part I'd have done differently. People kept congratulating me and I kept mentally listing what was wrong with it. Finishing something is supposed to feel good, and for me it just opens a catalogue of everything it isn't.
More people experience this than they realize.
When you finish something you see only its flaws, never what's good.
If this sounds familiar, the Library can help you find the bigger picture.