Originally Posted by
cynical one 
She's acting like a jerk and it may not have a thing to do with addiction and more with just lacking in character. Have you thought about blocking her from being able to communicate with you at all? This includes either blocking her phone or changing your number, automatically forwarding her emails to the recycle bin without reading them, removing her as a contact on any social networking site, not allowing mutual acquaintances to talk about or tell you things about her, and no longer frequenting places you know she will be.
Well, she's also dual diagnosis (Borderline Personality Disorder), so that sort of cruelty could be classified as devaluation (as opposed to idealization). I've blocked her number, blocked known phone numbers associated with her, blocked her on Google chat, etc.