question: hi sir,i a banker in yes bank , my brother is 15 years old. he is having mantel problem of touching things with fingers , face and feets . for example,  in his school bag , when he has to take a book outside , he insirt two hands together and touches all the books and slowly brings the one book with  specific direction. he touched top of water  with all fingers in all ways and more than 2 3 minutes. touches gate with fingers . put step on step. pl advice the why he is doing this and what is the solution. he is good in study as he scored 60% in 9th standers, but some times we feel that he is even helpless by himself to stop doing. kindly help us.  out contact no is 0000-zulfikar ali saiyed(my husband). mail id  YYYY@YYYY