I'm a Christian who offers some unique perspectives on how the devil uses Cluster B individuals - those that Paul describes of the Reprobate mind - Those without natural affection (Romans 1:31). They impersonate those that can love and empathize wearing a deceiving mask drawing you into relationships, only to discard you like a stranger as if you don't exist.

Mrs. A - Moves on with discernment and understands the toxicity of their Ex who could not change and knows the Narc is willing to say anything to keep the abuse going and any correspondence with the Narc will indeed hinder her true purpose in life and will inevitably destroy it.

Mrs. B - Is waiting impatiently for answers. She is codependent and blames herself going along with anything the Narc has for her to keep the abuse intact in her life. She relies on human beings, typically toxic, to fill the missing void. Mrs. B believes the answer is people not God.
Mrs. A and B - Applies to BOTH Genders