There is fear in leaving things unfinished. In the thought that those who wronged you will escape what they deserve.

...But it can't be simplified to fear alone. Humans are more complex than that.

[Then again, hadn't it been that way during her lifetime?]

Although...you're right in that they are so often ruled by it. An evil witch like me knows that well enough- people fear the unpleasantness and darkness in the world, and they seek to find where they can point their fingers to blame for it.

But perhaps we're getting off subject.