
Parents don't normally smile and laugh with their children. And they quote the same reasons. But they are seen laughing and jeering with their relatives and friends in front of their children. And they don't seem to mind if their children join in. I think this is discrimination.
You are you. You don't need to pretend, especially to your students and children.
Note: Now you know why teachers are so stressful, pretending for the whole day and night. LOL
Quarrels and splits with our little ones begin with misunderstanding, suspicion and resentment. Until and unless you treat everyone as equal, you are going to deal with these problems forever.
Don't do to others what you don't want others to do to you.