Oh dear. A 400 lbs man who compulsively organizes his French fries from MacDonalds. RESEARCH THIS FAST!
in all seriousness I'm looking forward to more research on ocd but obesity is not a disorder or a disease. The risk factors associated with obesity can be reduced with weight loss. /sigh.
I would like to see how behavior is when things are put back into balance. I fear the psychological effects may persist. This is just my way of thinking though.