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”,Hearing this, Yuan suddenly shivered and looked at Cheng'er with a hint of fear in her eyes.,I'm sure Second Madam wouldn't dare to suggest making Fourth Master a concubine again.。