René Mõttus, a personality psychologist and professor at the University of Edinburgh and University of Tartu, dives into how personality traits shape life satisfaction. The discussion reveals how the Big Five traits—Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism—play pivotal roles in well-being. It highlights the influence of extraversion and neuroticism, the challenges in measuring life satisfaction, and the potential for personality changes to enhance emotional experiences over time.