Paul Ekman is probably the globe’s most renowned experts on facial expression. His investigate is precise and well-researched. He has a bit called “Clues to Deceit” in his book which speaks really precisely about facial expressions & how they are often used to identify when men and women are lying. https://how-to-read-body-language33443.bloggazzo.com/38544330/the-fact-about-how-to-read-body-language-book-that-no-one-is-suggesting