Seems like you are handling your emotions correctly. And as sandi pointed out, going dark will help you.
Your wife seems to be going through some classic 'victimhood' syndrome. She feels that she has been wronged by you all those years. The only way the blinders can come off is when you are out of her picture.
BITS M 38 W 36 D 7 Married 15 yrs W left for 6 months in 2009 W Filed for D 01/03/11 piecing now...