Overconfidence is a slow and insidious killer.  My brother failed the exam because he was overconfident about his preparation. He looks at this man, he fails because he is an overconfident-bias man. We all use this type of comment for others. Like for our relatives, family members, colleagues, and for our opponents. But we never use these types of comments for us.     Overconfidence is a slow and insidious killer. Which footprint we can’t see in ourselves? Overconfidence is visible only in others. That’s why our disorder is identified by others. So, the conclusion is that. We are all affected by overconfidence but do not accept it.   Overconfidence…