I've been the victim of such as this. It is scary how they can mess with your head, and even scarier how others can't see through it. Of course, I didn't at first, either, obviously. What a sick, sad, little person she is. I have finally grown to not be angry, but to pity her.
A political cartoon by James Gillray in which George III (the big guy) says to little Napoleon (who was actually taller than Danny DeVito): "I cannot but conclude you to be one of the most pernicious little odious reptiles that nature ever suffered to crawl upon the surface of the Earth." BURN!