I'm so scared I do not know is how you or is it me just thin

I'm so scared I do not know is how you or is it me just thinking too much ?请问是什么意思啊?
这个是我男朋友 空间的个性签名~ 小女不才!不知道这句话是什么意思!所以请各位帮忙下~~谢谢~