Body language has a massive affect on how people perceive you- and your intentions.
Up to 80% of the information we receive from a person in conversation is transmitted non-verbally. A lot of the time though, we don’t understand precisely what feelings they’re trying to express through their body.
We decided that it was time to uncover the secrets of body language. Some of these can really help you understand what a person is thinking and feeling, even when they don’t say a word about it.
Source Aldis Kalnins