Add Yahoo as a preferred source to see more of our stories on Google. When dealing with people, it’s important to tell the difference between an occasional fib and a chronic habit of falsehood.

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. “Pathological liar” has ...

“Pathological liar” has become a convenient insult to anyone we love to hate, from corrupt politicians to reality-show “villains.” The Secret Lives of Mormon Wives is the latest example, where ...