我的儿子今年4岁,一向性格温和,乖巧听话。可是,这两个月来,总是动不动就发脾气,我让他干什么,他偏不干什么,本来养成的饭前洗手的好习惯,现在也马马虎虎,总是随便用水一冲就完事儿。给他讲洗手的重要性,他也不爱听。每次玩玩具后,也不收拾,批评他几句,他就哭喊着说“我不收”, My son is 4 years old and has always been gentle and well-behaved. However, these two months, always angry at every turn, what I let him do, what he did not do, the good habit of washing hands before the formation of the meal, and now so-so careless, always casual flush with water. He did not like to hear about the importance of washing his hands. After each play toy, do not pack up, criticize him a few words, he cried and said “I do not accept”