"How did you gain this confidence to take the first step from being a tinkerer to being a skilled craftman?" By completing stuff. Making things that actually w

"How did you gain this confidence to take the first step from being a tinkerer to being a skilled craftman?" By completing stuff. Making things that actually work in the real world. (and my problem in hindsight was rather overconfidence, just because I made some small games and websites, I considered myself already to be a programming master)