Should you do a writing course? (and what if you can't)
I mean, if you can, amazing. But if you can't, here's some suggestions.
We create what others need
Discussing the process feels like a possible jinx, and I suspect that this is at least part of reason people tend to be hidden and secretive.
You gotta not doubt it
Writing is only one of the tasks of writing, the other is believing that you can and should and have something worthwhile to say.