Tennis is one of the most active sports out there. You are constantly moving back and forth, trying to get that ball over the net, while keeping it inside the court lines. One of the best ways to learn how to play tennis is to watch it on T.V. This way you can learn the rules. For instance, in tennis, love is not an emotion. Love means zero. If the ball lands on the inside of the outside boxes to the left and right, it only counts as "in" if you are playing doubles. Playing doubles means there are two people playing on each side of the court. Although it is good to know the rules of tennis, it is not of utmost importance if you just want to play for fun. Many people can hit the ball back and forth over the net with you, you just have to find some friends who are willing to get out and acco