The Freudian Theory of Enneagram
The Enneagram is a personality typing system that consists of nine distinct types. These types are distinct because they each possess unique fears and desires. Enneagram theorists use these core personality features to create type descriptions, which you can find in several locations on PersonalityCafe. But my interest in enneagram is not the behaviors associated with these core personality features, but why these fears and desires came into existence in the first place. In other words, which elements of personality determine a person's type?
Many newcomers to enneagram reject it because it seems almost arbitrary. For example, wing theory is supported by extensive observation but the actual reason for wing theory is nebulous at best. That's a theme in the enneagram: there's a great deal of accurate observational evidence, but there's no lynchpin to tie it together. My position