Mother-in-law always calls her children dogs, saying that this will make them take good care of and obey, but the child is about to enter the first grade, and her mother-in-law doesn't change her mind

Mother-in-law always calls her children dogs, saying that this will make them take good care of and obey, but the child is about to enter the first grade, and her mother-in-law doesn't change her mind and makes noise all day. You tell her that when the child grows up, it's okay for you to call it this, but everyone in his class or nearby will laugh. I just have a nickname like a dog's name. I didn't know anything when I was a child. After school, I am always laughed at. How many times I cry and go home to change my name, it is easy to leave a shadow on my child's heart and always feel that I am shorter than others.