This morning, I had a long, heated conversation with a friend about the distinction between Abstainers and Moderators. I really do believe that this is one of the most helpful insights I've ever had, about how to change your habits.
Of course, I've been thinking non-stop about habits for the book I'm writing, Better Than Before. In it, I identify the strategies that we can use to make and break our habits.
One of my big conclusions: if you want to change a habit, you should start by understanding yourself.
Self-knowledge is so important that I spend two chapters on it. First: the Strategy of the Four Tendencies. It's very, very helpful to know your Tendency.