If the eyes are the windows of the soul, then the body is the mirror of our feelings. If we are feeling great, we may give our body signals . If we look at someone else's body, we can often tell how they are feeling by their body signals. So reading body language signals is a great tool in daily communication. In case  you don't think that learning how to read and use body language is important, here are some numbers for you. 7% of the information we receive is from what people actually say, and 38% of the information we receive is from the tone  and the speed of their voice; while 55% of the information we receive is from their body language. These non-verbal  signals will help you a lot, but you still need to focus on what people are saying. If you focus too much on their body language signals, you and the person may feel uncomfortable. It is useful to be able to read people's body language, but it is useful to learn how to send the right signals and avoid the wrong signals too. Body language may be given several interpretations. Many signals have different meanings, depending on the person and the situation. Be sure of it when you are trying to read a body language signal. According to the writer, body language is very   _  .
simple to learn negative to be used hard to understand helpful in communication