9 Things Proven To Make You Happy (Video) Irfan Ahmad 10/29/2017 08:30:00 AM Happiness is almost impossible to define and means different things to different people. Psychologists do generally agree however that 50% of our happiness is determined by our genes, 40% by our daily activities and 10% by our life circumstances. Tags: Life-and-Health-Tips life-hacks video Facebook Twitter