I'd love to play a tennis with my friend when I have a free time. 8 years ago, i I had learned tennis from my university's class. Duration learning tennis is 6 months. At first time, it was very difficult to learn. especially serve form. after all, i got a A Plus score at that semester. after that, i really like to play tennis when i need to move my body physically. but as tennis is outdoor game, that is closely affected by weather. if it is raining, we should stop the game reluctantly.