The Answer
If someone can't admit when they are wrong, they are no longer capable of any meaningful change because no one is right all of the time and no one knows everything, these are just fallacies of the brain like the Halo Effect where you take one attribute and use that attribute to overshadow all the other attributes or personality traits. Conformation Bias is where (if someone is even searching for answers) people only look for information that backs up what they already believe instead of doing the opposite which would be similar to playing the devil's advocate and trying to poke holes in your beliefs or theories. If you couldn't find any factual information that disproves your bias or theory then you can reasonably assume you have a strong theory or justification but if you lack the main thing needed for learning new things, CURIOUSITY, then you are no longer able to learn new things and likely believe you know it all or are just fine in your beliefs instead of c...