Lying - Who’s right?

Not big lies, not even worth mentioning. Just little things, but obviously lying. Saying something that absolutely isn’t true.

Who’s the one with the right to be upset? The person who was lied to, or the person who claims they were made to lie?

Is lying ever “right” if it keeps the peace? How about lying by omission?

What’s your deal breaker when it comes to lying?