Feelings of "I can't do it."
Reasons why you can't
Mental blocks are the reason for not being able to do it.
Digging into the Wall of Impossibility
The pessimistic misconception that "it can't be done."
Can/can't is a false dichotomy
I can't.
---
This page is auto-translated from /nishio/「できない」の気持ち using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.