Seems that black-and-white thinking or thinking in extremes is a universal sign of immaturity in almost any psychological program. During an exercise last night, I had an insight about it, because like any defense mechanism, irrational belief or coping mechanism, this pattern of thinking must be there because it serves or has served us in some way. It occurred to me that extreme thinking may serve because both ends of the spectrum are familiar in some way and that is more comfortable than the tension of not-knowing.
I've been afraid to explore the middle path, but have started walking it lately. I wonder if being in the middle path has allowed me to see more clearly why either end is more comfortable.