Every girl would be mad at the husband for cheating and forced them to stop. However, Park Minhee pretended that she didin't mind, and that she even wanted him to do so because she knew, even if the girls he brought home were complete strangers and s, Lay liked them much more than he liked her. Because of her deep love for Lay, she gave in, willingly.  After all, who would want a fat and ugly girl?