happiness - choose a jigsaw puzzle to solve

In psychology , happiness is a mental or emotional state of well-being which can be defined by, among others, positive or pleasant emotions ranging from contentment to intense joy . Happy mental states may reflect judgements by a person about their overall well-being. Since the 1960s , happiness research has been conducted in a wide variety of scientific disciplines, including gerontology, social psychology , clinical and medical research and happiness economics. In philosophy , happiness is translated from the Greek concept of eudaimonia, and refers to the good life , or flourishing, as opposed to an emotion .