A professional editor will not only help improve your manuscript, but they should be able to provide guidance for you as a writer to help you improve your writing skills. A great editor will tell you what areas you should be focusing on to improve—things like using the right point of view (POV), avoiding filler words, writing dialogue properly, character development, and more.
In fact, Pressfield writes, “Resistance is experienced as fear; the degree of fear equates to the strength of Resistance. Therefore the more fear we feel about a specific enterprise, the more certain we can be that that enterprise is important to us and to the growth of our soul. That’s why we feel so much Resistance. If it meant nothing to us, there’d be no Resistance.”