Those who have properly tried the Switch On Diet

Has anyone actually finished the Switch On Diet properly all the way to the end?

I suddenly gained weight recently, so I'm thinking of trying again.

I always break down during the maintenance phase. Since I love food so much and live for the joy of eating,

Even if my eating habits change and my stomach shrinks, I force myself to eat more and expand it again.

Has anyone perfectly succeeded with the Switch On Diet?