4. Swallowing and Throat-Clearing
We all clear our throat from time to time, but a noticeable swallow or clearing of the throat before a question is answered can be indicative of a spike in anxiety brought on by the lie the individual is about to tell you.
Either of these actions after the question has been answered are not believed by experts to be a sign of duplicity, but when they happen beforehand, you need to watch out!
Photo by Leah Grace