I do not know why this happened!

I do not know why this happened! Why l do not know.This is my feel.Understand?I do not know y i do't know why this days We are what le?Why I will become like this,do not know who i I love you Why You Do not Know My Why do not you trust me I I do not know why I am very sad Do not know why I become so active!是什么意思 what i do not know is that why... Why do I need to know this information? 英语翻译I do not know why you do not answer has my message,I wan I do not know why,I can not forget you,I still like you! why do you turn down?I am not perfect?I know I am not very c