[fleddr]

It may go even further than that. Some philosophers claim that the idea of a "self" is an illusion. Your brain produces all kinds of thoughts inconsistent with your "stable self" and then "magically" adapts them into something that feels consistent. Leading you to believe that you have an identity. Some type of personality, belief system, what have you.

Your brain is feeding you lies or half-truths all the time. It's job isn't to find objective truth, it's to keep you alive.