http://en.wikipedia.org/wiki/Cognitive_dissonance http://en.wikipedia.org/wiki/Cognitive_dissonance -- I believe this idea is called "cognitive dissonance", and

http://en.wikipedia.org/wiki/Cognitive_dissonance http://en.wikipedia.org/wiki/Cognitive_dissonance -- I believe this idea is called "cognitive dissonance", and has been demonstrated in some interesting studies. As I read about it, I could remember several instances in my life where I have behaved exactly as described.