Lying is bad. It’s not bad bad but it’s bad. I don’t have to elaborate on why it is bad. It just is.
Why do people lie? I think, essentially, it’s because sometimes a person thinks he/she knows better. The person feels that by witholding information – either full or partial – he/she has power over the person being lied to.
I hate lying. (But it doesn’t mean that I don’t either.) I hate it when I’m being lied to.
But even though we know that it’s bad, we do it anyway.