so no sure how to respond to this, except,
1)"
Yes compulsive overeating ". As a matter of fact there are several different types of eating disorders (6 from what I remember) and compulsive is one, bing is another.
2) Congrats on getting better and loosing.
Sounds like your friend has the same misconception other addicts do (yes its considered an addiction) that anerixia or bulemia are the only two types of eating disorders. I struggled with that for 20 years (since I was about

and recovery was not fun. I had people in my life who believed me, I had people who didn't get it but accepted that I was sick, and others who just didn't believe eating problems were addictions. The 3rd included my BF at the time who has struggled with drug and alcohol. He was throughly insulted everytime I would say "yes I know how you feel becuase......"...
Keep going with your recovery. I know it'll work cause it worked for me and today I'm better.
Onlyme