she wants her children to lead normal lives, so she sealed xia tian and xia mei's powers with a pair of "feng long tie" (封龍貼 / "seal dragon patch") since they were young. of all her children, she worries about xia tian the most. his closeness with his father upsets her because she does not want her son to follow his father's footsteps in becoming a musician. but he eventually convinces her to let him pursue his dream when he sings her favourite song while kneeling outside their house to beg for her permission.