She is trying to manipulate you with her comments about things getting ugly and making her leave the house with your daughter. It gives her a sense of control of the situation.
Stay calm, cool and collective. No need to get defensive or take things personal. She will say things just to hurt you, even if they are not true. That's why WASes are history revisionist. It helps justify their choice to leave and her perception, is her reality.
It is your job to change that perception. How are you going to do that?
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa