如何保持婚姻持久？

Group 1 - The core idea emphasizes the importance of lowering expectations in relationships and life, which can lead to greater satisfaction and happiness [1][10][12] - The concept of managing expectations is linked to fundamental qualities such as honesty, kindness, and respect, which are essential for stable relationships [4][5] - The article discusses the inverse relationship between happiness and expectations, suggesting that lower expectations can lead to more pleasant surprises [10][11][26] Group 2 - The article introduces the "happiness equation," which states that happiness is derived from utility divided by desire, highlighting the impact of social media on individual happiness [16][18] - It warns against the dangers of greed and the tendency to overestimate returns while underestimating risks, which can lead to disappointment [9][20] - The importance of managing others' expectations is also discussed, indicating that failing to do so can lead to negative outcomes in relationships [21][22]