8. Their Eye Movement Feels Unnatural
An authentic conversation includes a natural amount of eye contact as well as moments of looking away. When people are lying, they are more likely to either avoid eye contact or over compensate by making a lot of it. We say that people have “shifty” eyes for a reason, it looks suspicious. As does a strong stare with minimal blinking, which is sometimes used by liars in an attempt to assert their dominance.