The biggest turning point in you life as an artist is when you shift gears from thinking “I can draw these things but not those things” to thinking “I can draw anything! Quality not guaranteed, but I can draw it”
It's very hard to make art in a society where it is deeply ingrained that the serious work of your life is making money for other people and taking care of your loved ones, and art is a slightly self-indulgent hobby for yourself.