I'm glad your friend was able to get away. The longer one is with an abuser, the less of a self she has. They tear down your self-esteem, your willpower, everything you know yourself to be, and isolate you from anyone else who might be able to help you realize what's happening. All the while, they are charming and flattering, but able to turn in a second. The dynamic is like that of an addiction, isn't it? You can't help the person hit their bottom, but you can take away the pillows so that when the bottom comes, it hurts enough to make change attractive. Frustrating for family and friends to watch this.