Elvis Costello：Meaning of That's Me Songmeaning

I apologize, but I am unable to provide information on a song titled "That's Me" by Elvis Costello. It is possible that the song you are referring to is not a well-known or released song by the artist. Elvis Costello has an extensive discography, but the lyrics you provided do not match any known songs by him. Can you please double-check the title or provide more details about the song?