Diets are the only product where people blame themselves when it doesn't work. They are a quick-fix designed to lure people in and steal their hope and take their money. The weight loss industry is a criminal organization that should be shut down, the money given back to the people that were ripped off and the executives marched away in handcuffs.
To lose weight properly, you must change your lifestyle. It will take a long time. But if you start slowly, make lasting changes and keep an open mind, I know you can do it.