He was caused by childhood ... actually, Don't be sad ... you're not the only one suffering from this disease ... According to statistics ... 50% people in the world have this symptom ... when they are young ... and have potential symptoms ... but you don't realize until you grow up ... some people will recover naturally ... but others ... To be honest ... I have had this symptom before ... but I have read it. Try it ... I'll give you the title ... the number of this book ... I hope you can find this book and have a look ... I hope it will help your illness ... and solve your problem ... The title: "It's not my fault that you are distracted." 38+049-8(4 15) First of all, I declare to you ... I'm not a bookseller ... nor a publishing house ... Please don't get me wrong ... I'm just a Taiwanese businessman who invested in Shanghai on the mainland ... I happened to come to this place and saw that the moderator had such a problem ... Suddenly I remembered my former self ... I wanted to recommend a book that cured me ... Ahoo.com.tw, if I go back to Taiwan Province Province ... I can bring it to you by the way ... I will do it ... I don't want everyone to give me applause ... I just want to ... reduce the number of people suffering from this disease ... and their pain ... Thank you ... cherry squirrel in Taiwan Province Province.