No one but you is an authority on your writing.
Not me. Not your English teachers. Not Strunk and White and their highfalutin Elements of Style.
The longer you write, the more you’ll realize that other writers can’t tell you what to do. You should listen to more experienced writers, sure, but never more than you listen to yourself.
Later (after work): A look at my two opposing views of NaNo writing from the beginning and the end.