It is comforting to think that we know how we think and understand how we come to the decisions we make.  We are very good at rationalizing our decisions to ourselves, especially when the decisions we are making is a big one.  But what if there are forces completely unbeknownst to us that deftly guiding each decision we make?  This sounds like some kind of Jedi mind trick, but it is not magical sleight of mind.  The fact of the matter is that we often fool ourselves into thinking that we know how we think.  In reality, when we introspect on our choices after the fact, we are often left to rationalize our decisions in a way that is completely different from the actual thought process that led us to our choice.