Group 1 - The marriage rate in China is projected to fall below 5‰ in 2024, marking a historical low, with 32.8% of men choosing to remain single, particularly those with stable incomes and assets [1] - A significant disparity exists in spending on dating, with men averaging 3.8 times the expenditure of women, leading to a psychological defense mechanism among men who feel they are making one-sided contributions [1] - The phenomenon of ordinary quality men withdrawing from the marriage market is evident, as they face high costs associated with dating and marriage, prompting a collective retreat [1][3] Group 2 - The marriage market is experiencing polarization, where high-quality men have ample choices while ordinary women struggle to find suitable partners, leading to a disappearance of economically viable men [5] - The imbalance in expectations regarding financial contributions in relationships is causing ordinary men to exit the dating scene, as they perceive the situation as one-sided and unfair [3][5] - The traditional understanding of mutual support in relationships is eroding, resulting in a market where individuals are more focused on self-interest rather than building healthy partnerships [5]