Not being able to stick to your diet may be a sign of low self-esteem.
Does this sound far-fetched?
It's not. People's negative feelings about themselves are related to poor achievement outcomes.
If you keep failing at dieting, a low opinion of yourself and your abilities could have a lot to do with it.
If self-esteem is not an issue for you when it comes to dieting and losing the weight, what are your issues?
For help with whatever prevents you from losing the weight you want to lose, please click on the "Find your issues" link in the right sidebar. There's a lot of good information waiting there for you.