Jin, a teenager, used to go online after school . He ate dinner with his family, did homework , and got a good night’ s sleep . One day he got involved in an online game. He didn’t stop playing to have dinner . He didn’t do his homework. his focus all night was only on the virtual reality in the game . the next day, in the real world , he did poorly on a test . His parents took away his computer for a week . Jin because very angry . He refused to leave his room, and he refused to attend school . Jin’s once-normal internet use was now an addiction