...Two can be as bad as ONE, it's the loneliest number since the number ONE ONE, singular sensation, every little step she takes . . .
Oh, my darling, knock three times on the ceiling if you want me Twice on the pipe if the answer is no, oh, my sweetness (Knock, knock, knock!) Means you'll meet me in the hallway Mmm, twice on the pipe (clink, clink) means you ain't gonna show