Living under the same roof, Tang Xinian cherished the shared rent affection, buying groceries and cooking every day for a year, only charging the roommates for their share of vegetables, rice, and oil expenses, often subsidizing with her own money. New roommate Xia Fei moved in, using free cooking to draw big pies, making past affection instantly vulnerable. Roommates listened to slander, forcing her to refund money, insisting she made a profit on price differences. Until free meals caused problems, and reviewing the complete bill, everyone suddenly came to their senses.