The idea of finishing something with perfection rarely exists in our world.
For the most part, we are imperfect beings, in an imperfect world.
I once heard Jack Conte (the multi- instrumentalists, Pomplamoose band member and founder of Patreon) say: "we don't finish, we publish"
Finishing doesn't really exist. We get our work to the point where we're proud of the body of work we've produced and then, we publish it. We send it out into the world and move on too our next creation.