The Curve of Intelligence
Many people in their twenties and thirties experience a peak in their fluid intelligence, which enhances their working memory and innovative capacity. However, this ability begins to decline around age 40, leading to feelings of burnout as individuals notice a lack of progress in their work. The key to happiness lies in continuous growth, as reaching goals without further progress can diminish motivation and enjoyment.In this clip
From this podcast

Young and Profiting with Hala Taha
Arthur C. Brooks: Decoding Happiness and Creating A More Fulfilling Life
Related Questions
Does one's ability to learn new information drop after a certain age, as discussed in the episodes Finding Happiness, Success and Deep Purpose with Arthur Brooks and Genius and Aging?
Does one's ability to learn new information drop after a certain age, as discussed in the episodes Arthur Brooks on Finding Happiness and Stoicism vs. Epicureanism and Embracing Professional Growth, as well as in the episodes Arthur Brooks || Finding Success, Happiness, and Deep Purpose in the Second Half of Life and Intelligence Evolution?
Does one's ability to learn new information drop after a certain age, as discussed in the episodes Arthur Brooks || Finding Success, Happiness, and Deep Purpose in the Second Half of Life and Intelligence Evolution?