Researchers asked over 4000 people in eight countries to assess their level of enjoyment from l3 everyday activities including sex,a glass of wine,a piece of chocolate,tea or coffee or watching TV.

• 研究者调查了8个国家的4000人来评估他们在日常13种活动中享受快乐的程度。这些活动包括：性、一杯酒、一块巧克力、茶或咖啡，或者看电视。