I'm so sorry Z. That sounds very scary. I agree that you need to do what is best for yourself. If it's not a healthy situation for you, no one would fault you for leaving. Physical violence is never okay.
Maybe the lack of emotion is due to shock? It sounds like a lot to process.
Me: 30 H: 35 M: 5 years S2 Signs of MLC started Feb 2014 BD - PA July 2014 Piecing/reconciling late July 2014