By the numbers, Drs. Angus Deaton and Daniel Kahneman of Princeton University think they know the answer to the question of what happiness is. Particularly, the physician duo investigated replies to the Gallup-Healthways Well-Being Index (GHWBI) questionnaire. They found that United States homes with a normal salary of at least $75,000 scored highest for emotional well-being. Source for this article: People are happiest at $75,000 per year, says study
These people might be experts on their profession but I guess we are more expert on what we really feel. Happiness is a deep meaning and you can never bought it on store.