4. The placement of a person's arms says a lot about their personality and mood. Wild gesticulations will imply over-excitement or even aggression. You will feel most comfortable when you can see that the person you are speaking to is feeling comfortable too therefore, look for arms that are held naturally at the sides of the body. They may also beheld behind the back. Either posture implies an open personality, a person who is feeling confident and who is ready to face challenges. If you upset or offend someone, watch out for their arms being crossed over their chest defensively. That's areal giveaway that they are feeling hurt.