Have you ever met someone who argues with absolute confidence but makes absolutely no sense? They speak loudly, act completely confident, and double down even when they are factually wrong. The psychology behind that behavior is explored in this video, and the real, science-backed habits that may indicate low intelligence are revealed. This psychological breakdown provides a detailed examination of key concepts such as the Dunning-Kruger Effect, cognitive rigidity, black-and-white thinking, emotional control, and external locus of control. These are not just personality quirks — they are deeply rooted mental patterns that influence a person's way of processing reality.