This involves personal privacy. Don't pry. No matter what the reason, or because of facial defects caused by accidents, or because of a series of reasons such as wanting to change and become more beautiful, in short, these reasons are the reasons why others go to plastic surgery hospitals. This is their own business. If you want to ask them why they have plastic surgery, this question is a bit funny. I think what others do is their own business, or everyone has a gossip mentality.