Good on for you standing up for yourself. However i echo the others that you need to plan to protect you and your S, from her if needs be. That should be the main priority ~ everything else is GALing and icing on the cake.
Me31 W31 M11yrs S6yrs 23Mar16-BD 9Apr16-W admitted EA w boss. 27Jun16-W Changed job and promised NC w OM. 14Jul16-Continued contact w OM.Start of Separation. 24May17-Divorced.