If it is a nickname or nickname given when you were a child, it is necessary to re-choose it. On the contrary, if it is a big name given by your parents, we do not need to re-choose it. Because each child’s name was chosen by the parents after consideration, and it contains a deeper meaning. In order to respect the parents, why should they change it? Life is given by parents, so why care about the name? Isn’t it just a code name?