The Verbally Abusive Relationship by Patricia Evans is a book I believe should be required reading for Everyone on the planet. When you hear abuse......walk away,, hang up the phone....standing around to listen to it is like breathing poison and you wouldn't do that.
Boundaries by Townsend and Cloud another excellent resource. If our boundaries are stolen from us as children, we have to re-learn them.
1430 KYKN - Salem is listening is where you can listen to my radio interview on verbal abuse; you can click on Podcast...April 19th.....name, Alice