In this world we have too much information that confronts us almost every day ..we HV to filter it and take what is useful for us ..this filtering process which we develop to ease cognitive load so that we can make right decision called heuristic..it is process by which we derive experience from similar situations or problems...having said, it is better to pick up what suits despite what is popularly considered successful route. More than success of achieving a goal you have to be happy and comfortable