Even when someone mistreats you repeatedly, it’s easy to judge yourself for making a boundary. We think, “I should be better. I should be able to handle this. I should be able to turn the other cheek.” But when giving someone another chance comes at the expense of your emotional well-being, you should think twice about it….
from Aime Sulivan http://www.mindbodygreen.com/articles/how-to-stop-attracting-narcissists-and-abusers