Career essentials: Seven body language tips
6) Feeling vulnerable: Look at items such as a your colleague or client's pen or glasses—are they chewed at the ends? How do they hold a book or briefcase? Scrutinizing these behaviors indicates how that person approaches negotiations, as well as his thought processes and business confidence.
"When we feel vulnerable we protect our neck area. When another person feels vulnerable too they will try to protect themselves—holding a book or papers over their chest or touching their neck—these are all self-assurance techniques," Hoppe said.
7) Standing position: If you want to have the best face-to-face rapport with someone, take a small step to your left so that your right eye is directly facing your colleague's right eye. Hoppe said 75 percent of people surveyed feel more comfortable than when standing to someone's right.