Jimmy is a 12-year-old boy. He like computer games very much. Buthe played computer games for 8 hours yesterday. Playing computer games can help us to relax and even improve our intellectual ability. However, playing too much time is harmful for our eyesight and we can not do something more useful in time. Jimmy can play computer games but he should do his homework first. Besides, he should not spend so many hours to play and he need to manage his time.