Self-Medication or Self-Destruction? - Psychology Today Article
personality-pathways-to-addiction/
Have your therapists clearly defined what they think addictions are to you? I'd start from there. The second link is from the same author, I still don't understand what the addictive personality is, I need more reading on the subject. It's very light reading, you may not find it useful.
Limbic imperialism. This happens in everyone's mind, no exceptions. I'm liking this Marc guy.