A successful entrepreneur realized his employees were happier than he was, despite his outward success. He started his business seeking freedom but became consumed by work, losing sight of his initial goals. The turning point came when he delegated responsibilities and sought external guidance, including from his wife who introduced the concept of a "happy lifestyle." This lifestyle is built on three core rules.The first rule emphasizes seeking contrast rather than just striving for more, highlighting that the "delta" between states creates happiness. This can be achieved by mentally returning to past difficulties to appreciate present well-being, rather than continuously seeking new peaks. The second rule advises getting rich in the right currency, which is strong relationships, not just money. The longest-running studies show that meaningful connections lead to lasting happiness, unlike wealth accumulation which can become a hollow pursuit.The third rule is to avoid adopting others' unhappiness, as negative emotions are contagious. It's crucial to guard against individuals who consistently express dissatisfaction and seek agreement rather than support. Ultimately, happiness is not something to be directly pursued but rather experienced and savored in the present moment when the conditions are right.