Philosophers have long said that happiness is the ultimate goal of existence. For this we desire other goods such as money or power because we believe that they make us happy. Question is, do they really lead to happiness. According to brain scientists, there is specific area in brain that sets expectations for material gain and as material goals achieved. This means you could we unhappy, despite wealthy, if your expectations were high. MRI scan coupled with behavior games has shown that our brain has 'fairness' switch.

We will be unhappier, if don