and then there was one

She's like a yo-yo. Up and down. Up and down. I don't know where she's goin. Barely where she's been. I wanna know, yo. I can't control her. Can't see how she works. Don't know why she just keeps rollin along. She's like a yo-yo. Up and down. Up and down. I can't see inside her. Can't see what makes her work. I just keep pushin and pullin. She's like a yo-yo.