You have to let the past successes go, or you'll never be able to see anew.
You always end up with too many pictures to edit and too few that you feel 'got it'.
The composition is already there, you just need to crop it
A photographer's art is more in his perceptions than his execution. In a painter, I think the perception is only the first step, and then you have a kind of hard road of execution.
You have to learn not only from your failures. You must also learn from your successes.
There is no bad light. There is spectacular light and difficult light. It's up to you to use the light you have.