Lots of coding, bad, good, better, messy, etc. Challenge yourself, to try the hard task once in a while (prove to yourself, those "I could do that much better"

Lots of coding, bad, good, better, messy, etc. Challenge yourself, to try the hard task once in a while (prove to yourself, those "I could do that much better" thoughts), attempt "proof of concepts" (at least) of your wild ideas. You will be surprised how far you can get. Exchange ideas and accept bitter pills of criticism, yeah sometimes you will have to admit you got something wrong and now you have to rethink how to do something. Once you get over that you will find new opportunities and also have a new story about "back in the day I was so bad at this, I..."