Skinny Controllers and Overweight Models

All Rails developers know the slogan “Skinny Controllers, Fat Models” and I heartily agree with it. Every conference you go to, you hear it. But there’s a problem! My Fat models got overweight! What happened? By stuffing all applications logic in the Models, they become fat, very fat. Although this is supposed to be a good thing, I don’t like it. My models get so fat that it takes me forever to scroll through it and find the method I’m working on.