Working as an editor, I’ve read a LOT of amateur fiction and given lots of advice to aspiring writers. Over time, patterns start to emerge, and one of the most common issues sounds like the most obvious question in the world.
What the heck are you supposed to write?
You’re answer probably is, “Um, your story, Jeff.”
Okay, but how do you do write that story? Should you start with an action scene or worldbuildling? Are you spending too much time writing dialogue and too