What is paralanguage?
The language of your body, paralanguage is the ability to communicate without verbal or speaking. this is the language of your body, if I miss a tennis shot is my body language showing disappointment? it’s evident to the opponent your reaction to this language. This is communicating that the shot that the opponent hit was successful. I just don’t want to give him the information to know how to beat me with this communication, players have to be careful about their paralanguage which is the language of their body. Why sent a message to help the opponent win.