One of the most obvious signs of a compulsive liar is inconsistency in their stories ... Compulsive liars often lie about small, insignificant things. If you find that your partner lies about ...

In a small 2012 study ... this might be a sign that they're lying. 3. They may fidget less "Most people expect a liar to be fidgety," says Mann, but in some cases, they may actually move less ...