I'm only a man- I'm not a machine

The story:

I usually sing my daughter to sleep, and decided to sing the Superman song to her. I sang her my version, with the machine part, and she accepted that, until the very next day, when she went to school, and got in an argument on the playground about the lyrics of the song. She had almost all the kids convinced that her Mom's version was right- they all agreed it made much more sense! But of course, she was wrong, because one of the boys she was arguing with brought the lyric sheet to school. When confronted with the evidence, my daughter yelled for all to hear, "Well, that's the way my Mom always sings it!