You might want to check out Schneider's paper. Not sure if it applies to him or not.
http://www.jenniferschneider.com/art...disorders.html
It has some interesting things in it like the Assessment for Addictive Sexual Disorders if you answer 13 out of 25 yes then there's a 96% chance you are sexually addicted.
Sorry I can't summarize it more, its very long and Im very tired.