Our brains are wired differently and this is the reason why we think, dream and behave in a particular way without being a clone of each other. The brain is the organ which is responsible for inducing one’s perception and outlook on life. It is the functioning of this organ that makes certain people have an optimistic viewpoint and others take a pessimistic stance on various aspects of life in general. There are people who fail to see the silver lining and resort to the glass half empty approach which makes them a pessimist. Scientists have now found a link between