Hi, I have a 7 year old daughter who is picking holes in her clothes and has been doing it for 2 years now. Seems to happen more at school, I don't get how she does it but she can pick a hole through any kind of material. It is getting expensive as clothes are having to always be replaced. Although she knows it is wrong she persists in doing it, when I ask her why, she replies I don't know! Help!!