Port Clearance
After Jiang Yu Ran left, Yu Qin run to the private kitchen, the courtyard might be small but Jiang Yu Ran has installed everything necessary to make Zhuang Mu Zi life comfortable, for other people her behavior might look like she was alienated Zhuang Mu Zi from other people but for people who have farsight view they would realize that Jiang Yu Ran is very protective with Zhuang Mu Zi.
With his own kitchen and storage, she decreased the possibility that Zhuang Mu Zi would be harmed by other concubines and because there's only one maid to serves Zhuang Mu Zi the chance for anyone to tamper his food or watch his moves would be minimalized.
This is how Zhuang Mu Zi survive all these years, he successfully grew without raising any flags, but everything change since Lao Min Na came and now he becomes crippled.