Reasons why people lie

I have told a lie when I was a child even if I think I am an honest person.

I think everyone might tell a lie in his/her life. Why do people lie to other people?

Someone might tell a lie in order to protect himself because he doesn't want to be abused. After that, the he will tell other lies until the other person knows the truth. It is difficult to tell a lie again and again.

A husband might tell a lie to his wife like, for example, that she is the most beautiful woman even though she is very ugly.

The lies may make the person angry but sometimes they may make the person happy. I think telling a lie is not bad if you make someone feel happy.