Old Master Zhou and Old Madam Zhou exchanged a look and promptly agreed to Mikang's request. They of course understood that it was Chuxia who proposed this condition, and also knew that what they were doing was slightly inappropriate; yet, as it would take place within the Zhou family itself, it wouldn't give rise to too much idle gossip.
Moreover, it really was worrying for Elder Wan to live alone; even though he had a caretaker, an elderly person craves more spiritual comfort than mere material satisfaction and physical care.
If Elder Wan's status were not so special, they actually would have liked to have him move into the Zhou family home, achieving two ends with one means—but for now, such a possibility did not exist.
On the other hand, Chuxia seemed to be a girl of great loyalty and sentiment. If it were an ordinary girl, even though she might feel a bit uncomfortable in her husband's family, she would certainly not miss the chance to be the sole focus of affection.