Loved the "incidental duplication" term. I will def start using it from now on. But to add to this, I want to say that the moment you find your self writing a

Loved the "incidental duplication" term. I will def start using it from now on. But to add to this, I want to say that the moment you find your self writing a "helper" function, that's the moment when you must realize that you didn't understand the problem quite good. As a rule of thumb and what I am always trying to pass to my peers at work etc, is to always try and think in terms of your domain and the models in it. - What models does this helper function is acting upon or on behalf? - Does it make more sense to create a model and put that function in it? - Should that function be in a specific model or more that one?