The Advantages and disadvantages of study hard and play internet

People all around the world have maybe 95% know about how to use internet and do some on it. But 5% more is students that study hard.Study and internet have the advantages and disadvantages.
First, I would like to tell you about the advantages of study hard. You know one person that study hard can get result good or bad? It can't get a bad result. Because when want to do anything that you think you like and try your best you can get successful.when you study hard you can pass the exam. when you finish school you can get a good job and good salary.Especially you can help your friends you can teach them too. When you study hard you can study fast and easy to understand what the teacher explain and can pass the exam very good. you don't need to afraid when the exam come don't need to copy your friend or another people. But when you study a lot you can have a stress and i f don't go to any where to relax you will sick or if it too stressful you will crazy too. Don't study harder than you can do if you have stress you should go or do anything relax. I think that study a lot you will being to old. because your brain think lot and no thing relax and your hair will go away from your head.
Second, I want to tell you about the advantages and disadvantages of play internet. You know internet have lot of program like" Facebook, Google, yahoo...etc". This program can help you like Google you can check grammar, listening conversation English, listening to music, play game to relax, watch YouTube, nation news and international news...etc.And Facebook can communication to your friends your cousin or do business watch news join with game to relax...etc. Then Skype you can talk to your friend in country and another country especially you can see each other too. But sometimes it has disadvantages too. It can make you lazy do anything, lazy to eat rice, forget do something important , have ill,and it can die too. you think it is a modern one can help you but you don't It can destroy you too.
Finally I think that you can study hard and you can play internet too But you should have time to play internet and study. you should study at home 2 hours aday and play internet 3 times a week.