On one hand, it’s torture. It can also be rocket fuel. Those deficiencies drive me crazy, pushing me to close the gap between my work and the work I admire. Sometimes I'll ignore my weak points altogether and dive headfirst into the things I'm good at.
I think a lot of makers experience this. It’s really important that we never think we’ve hit the top of our game. The moment we do, we lose interest because we think we've stopped learning.