Group 1 - The core point of the article highlights the significant growth of Guoli Fang, a beverage brand, which sold over 100 million bottles since last year, with a 211% increase in core cities and projected sales exceeding 10 million in four cities by 2024 [1] - In the first half of 2025, Guoli Fang achieved over 10 million sales in seven cities within six months, with Guangzhou experiencing a 500% year-on-year growth, and cities like Hefei, Suzhou, Hangzhou, and Wuhan seeing sales double [1] - The emergence of the "Guoli Fang Index" is noted as a humorous yet insightful measure of urban economic vitality, contrasting with traditional metrics like GDP [2][3] Group 2 - The "Guoli Fang Index" is positioned as a more relatable indicator of urban happiness compared to the "Didi Index," which relies on ride-hailing data that may not accurately reflect the lifestyle of residents in major cities [4][7] - The index reflects characteristics of cities with high sales, such as a youthful population, diverse economic structures, vibrant nightlife, and a healthy demographic with high-income groups [7] - Guoli Fang is recognized for its appeal to young consumers, who prefer affordable and enjoyable drinking experiences, often mixing it with other beverages to create personalized cocktails [11][12] Group 3 - The article emphasizes that drinking is a low-cost source of happiness for young people, with Guoli Fang being particularly attuned to their preferences [9][12] - The brand has become a part of a cultural ritual for young workers, allowing them to escape the pressures of daily life and redefine their leisure time [11] - The increasing consumption of Guoli Fang across various cities indicates a growing trend of young people seeking joy and fulfillment through this beverage [12]