Even some patients will love playing with hair, in the process to get a thrill of excitement and, finally turned into a mind obsessed with this addictive behavior can not extricate themselves.

• 甚至有些病患会喜欢上玩弄毛发，在过程中得到一种兴奋与快感，最后变成一种沈迷于此行为的心瘾而无法自拔。