Podcast 03 - Secrets of the Face
2) If someone covers or touches their mouth before, as, or right after they speak, it may mean that they are not telling the full truth (13:20), holding back some information (14:43), or keeping information secret (13:25). The practical explanation for this is that someone's unconscious brain is attempting to cover the mouth in order to “keep” the secret inside of them (14:33). This is an action that we learned in childhood (13:33). (24:19).