Families & Friends Of Addicts Support Group
Addiction affects more than just the individual. This community is dedicated to the families and friends of individuals suffering from any form of addiction. Mental health professionals are increasingly considering alcoholism and addiction as diseases that flourish in and are enabled by family systems. Family members react to the addicted person with particular behavioral...

Here is a really good site that shows how drugs and alcohol effect the brain.
http://learn.genetics.utah.edu/content/addiction/drugs/mouse.html
My husband chose the drug (which happened to be alcohol) over me. If I didn't enable him and tolerate his behavior at home, he spent time away from home.
click on SPECT gallery. You can actually see scans of brains under the influence of various things. Also you can see a healthy brain. Pictures are indeed worth a thousand words. No wonder we cannot reason with an active addict.
Dr. Amens book and PBS series is wonderful. Book: Change Your Brain Change Your Life.
He pushed me out of his life and I have been nothing but a supportive and understanding partner. I don't think we will ever fully understand what drives the addicts in our lives to push us away. I am still completely traumatized and devastated by what my husband has done to hurt me.
I have to realize that his brain doesn't work like mine and any rational thought that I might have, he is not capable of. Sad but true.
Both of the above mentioned sites are very good! Thanks for sharing them!!