What is the difference between thinking and believing in something, some concept, but perhaps our passion of commitment?
What difference is there if that belief or principal is from a philosophical source or a spiritual source?
Compulsive overeating is not a moral issue.
Also compulsive overeating is a willpower issue.
It can be an expectations or desire issue, a chemical addiction, or compulsion, a behavioural addiction, a social pressure, and environmental reaction to temptation.