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On their wedding night, Lin Zhe, the husband, took out a calculator and proposed an AA system to his wife, Su Wan. From then on, supermarket shopping was split into two piles for separate payments, prenatal examination fees were shared equally, and even helping with the dishes required a payment of five yuan based on the hourly rate of a cleaner. Su Wan repeatedly compromised and comforted herself, thinking that things would be different once he became a father. She believed that the arrival of
