Unfinished symphonies – novels left hanging – at least the famous ones had death as an excuse.
What’s keeping you from finishing? Fear of completion? Is that a thing? It may just be, given how many people never finish their Great American Novel or The Big Project or … fill in your blank.
Fear that when this is done, you’ll have exhausted all your ideas? Fear that if it’s as good as you think it could be, more will be expected of you? Well. of course it will be.
Life is a series of encounters where the first question is, “What have you been up to lately?” It’s useful to have an answer.