I think we all, your DWD family, recognize you have an eating disorder. Getting to the 'why' and finding ways to to cope and change your respose to different triggers should be your first goal.
While some of our folks here are mental health professionals, no one is licensed to practice on the internet, so all we can really do is give you hope, support, and hopefully, the strength to do what is the right thing to do for you. My suggestion is to seek the help of a mental health professional.
Many of us have 'issues' that have helped us be overweight. Too many of our family are literally eating themselves to death.
Shelly is our unofficial "Resident Proponant" of Cognitive Therapy, which could make a difference in changing an obsessive habit into something more healthful. I'm sure if you sent her a Spark Mail, she could guide you to some books that could help.
It all boils down to you. You have to seek the professional help; you need to make the appointment; you need to keep the appointment; you need to be honest with your therapist.
After battling depression for a long, long time, I was finally able to do the first three. I became an interupted suicide before I could start doing number four. Please don't wait as long as I did.