If you don't take care of yourself, who will? And it's very difficult to gain an objective perspective on one's own work. I guess this is why the literary world needs editors. I've heard it said, "If you're a writer, write some everyday." But that seems unreasonable. Humans' need to be well-rounded; and, doing nothing but writing is an impossible goal. IMHO...
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https://www.amazon.com/author/bonnie.mill-lemke
https://kdp.amazon.com/en_US/bookshelf