3D of Happiness covers a personal and scientific journey of searching for happiness through pleasure, meaning, and spirituality. It is the story of a former shepherd, Necati Aydin, who was at the bottom 1% of the world’s population, living in complete poverty and deprivation. He managed to acquire two PhDs and climbed to the top 1% in terms of possessions and position. Nonetheless, he failed to achieve happiness along the way.