why do I feel so alone?

why do I feel so alone? Why do We feel so alone anytime Why Do I Feel So Sad 歌词 求Why Do I Feel So Sad中文歌词~ why I feel so lonely ? Why I feel so tired? why I feel so down? Do you know I'm so alone that you can't feel? -why do you feel so happy Why am I feel so unhappy? why do i love so Im not alone,but I feel so lonely