Welcome to Talking Sober 
You are not alone. It takes courage to do what you’re doing, and you’re facing an animal in that addiction: you need to strive daily and be fearlessly honest with yourself and your accountability partners in group, to get to where you need to be.
Neal made a good post of resources here (note that there are several groups like S-Anon & Co-Sex and Love / Co-dependents, which are for partners of sex addicts; my wife joined one and it has helped her tremendously):
Take care and keep us posted