"Cheng'er cannot!" Yuan shi abruptly interrupted the mama's words,,Grandma could only advise again, “It’s just a concubine. Before the mistress enters the door, she drinks a decoction to prevent pregnancy. After a few years, when the master and the husband have given birth to an eldest son, she will leave, so why should you quarrel with Fourth Master over this”,This person might be unfamiliar, but I'm sure I've seen them before.。