Why do I need to know this information?

Why do I need to know this information? I do not know why this happened! i do't know why this days Why l do not know.This is my feel.Understand?I do not know y I need to know what do you want for all? why i need to exercise? I don't know _______________.A.why do this B.why having done Do you need to do homework?why? I need to know 歌词 come to you now when I need you,But why do I wait to come se I want to know why We are what le?Why I will become like this,do not know who i