You used to do well in your lessons and took an active part in the activities at school. But now you are so crazy about computer games that you have no interest in your schoolwork and don't listen to teachers as carefully as before in class. Also, you can't hand in your homework on time. Perhaps playing computer games can make you feel relaxed, but if you spend too much time on it, you will have less time to study. And it may do harm to your health. For example, it can hurt your eyes and neck.