One of the most annoying kinds of people one would ever encounter in their lives are people that believe to their core that their ideas are really valuable. Most often, such people bore you with detailed descriptions (and sometimes even images, videos and links to websites) that expand on their ideas as well. For an uninterested person, such a person is a major bore though to himself that person may be the smartest person alive. Here are a few explanations behind this delusion that people hold.
