The bottom line is that it takes most academics a long time—whether at the front end of the writing process, at the back end, or both—to produce high-quality work. Apprentice academics may regard the enormous effort involved as a symptom of their own inadequacy, especially if they have been led to believe that writing is supposed to be easy.
via How Academics Survive the Writing Grind: Some Anecdotal Advice | Literary Hub
Honestly? This could be about writers everywhere, regardless of genre.
It doesn’t matter if I’m writing literary nonfiction. Or romance. Or academic prose.
Almost all of these observations apply.