雪蓝。您好：最近真的很头疼,我的正上初中的儿子虽然内向了些,但是一直都很乖,可是最近他却像变了一个人一样。老师告诉我们,他经常把同桌的课本藏起来,还在别的同学写好的作业上泼墨水,回家问他缘由,可他却什么都不说,我们真的很苦恼,为什么他会变成这样?一名困惑苦恼的家长 Snow blue. Hello: Recently really a headache, my junior high school son, although some inward, but has always been good, but recently he has changed like a person. The teacher told us that he often hides the textbooks at the same table, splashes ink on homework written by other students, goes home and asks him why, but he does not say anything at all. We are really distressed and why he will Become so? A confused distressed parents