 For cognitive dissonance. No, it's not. The paying of the money. Because it had that... Wait, wait, wait, wait, wait. Where is the cognitive dissonance? If you are going to have... Now, if you have related this accurately, maybe you did, maybe you didn't, but if you did, throw away the book, the professor was an idiot. Cognitive dissonance must have two irreconcilable ideas in your head at the same time.