Writing isn't as complicated as some would-be authors make it out to be. But, on the other hand, it's not at easy as they want it to be. (As all writers want it to be.)
I was shocked -- and pleasantly surprised -- a few years ago when I was speaking at a grade school and I spotted a "How to Write a Story" poster on a classroom wall. The list had everything any writer needed, from outline/notes to "publishing."
There is no secret.
Whether you're 8, 18 or 80-plus, it's a matter of work. Day after day.
Rats! Little Willie says I should be more dramatic when I say that.