We are unpredictable beings. Evolution has made us this way, there was always a danger that had we been predictable someone or something would have taken advantage of us. Unpredictability has been good for us. Unpredictability also has become a fundamental part of our cognitive system.
What does our innate nature of unpredictability teach us about UX design? I don’t know who said it, but it seems apt. “Great designs prepare for the unexpected,