小明今年17岁,最近他家人发现他明显沉默少语、怕脏、反复洗手、如厕时间长、厌学等。经了解得知,几个月前上体育课时,同学和他开玩笑,将草丛中的“屎壳郎”扔到他的衣襟里。从此,他脑子里就反复想这个怪物会不会弄脏自己,若被它传染上疾病怎么办?虽然他自己清楚地知道这种可能性微乎其微,但又不能控制自己不去这么 Xiao Ming 17 years old this year, his family recently found his obvious silent, fear of dirty, repeated hand-washing, toilet a long time, tired of learning and so on. It is understood that a few months ago in physical education class, the classmate joked with him, the grass in the “shit shell Lang” thrown into his skirt. From then on, his mind repeatedly wondered if the monster would get himself dirty and what to do if it was contagious? Although he knew perfectly well that the possibility was remote, he could not control himself or herself