[Bigiron]

1. Head tilts signal of engagement — while a slow deliberate head withdrawal is a sign of disengagement.

2. Head ducks express discomfort.

3. Heads held high or low send a message about confidence.

4. Head nods send different messages depending on their speed.

5. Facial touching is a primary pacifier

6. Wide eyes signal approval and pleased surprise.

7. If people are emotionally aroused by what they see, their pupils dilate.

8. Blinking rates increase under pressure

9. Closed eyes is a form of eye blocking

10. Tearing eyes signal high emotion.

11. Raising the eyebrows may be a sign of submission or a request for approval.

12. Smiles can be real or fake.

13. Tight lips are almost always associated with negative emotions.

14. Chin jutting is a sign of anger.

15. Swallowing shows anxiety or stress

https://www.forbes.com/sites/carolkinsey...d7bdbd5234