Start laying your boundaries now. You have all the evidence you need to show that she's been walking all over you.
Think of her not as your W, but as a spoiled teenager who thinks she can get away with lying to her parents. How would you react? What would you do? That's what you have to do with your W.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.