The Benefits of Starting a Piece Over

I cannot tell you how many times I find myself saying "this is a work in progress" or "this could be better" with what is actually a piece of art that I haven't touched in months or even years because the process of adding anymore detail is painful. Painful because no matter what I do, it is not going to end up helping the piece in the long run.  When I get to this point, it is just better to scrap the work and start over.  I will show you with what I mean with fresh starts:
Before Redo
After, receiving desired results

Here is another example, this time I restarted very early on:
Before Redo
Final product