You never know how I am

You never know how worried I am You never know how I am you never know how painful i am. 是什么意思、 谁帮我下 How lucky I am to know you. never know how much i love you,you never know how much i car you will never know how much sad when i know you'll never know dear,how much i love you You never know how much I love you You'll never know how much i need you. You never know,What I am thinking or..乜意思? Do you know how sad am I after you You can never know how much I love