YOU SAID:
I can't believe that my mother is the entire state of Michigan.
INTO JAPANESE
彼女が私の母より年上だなんて信じられません。
BACK INTO ENGLISH
I can't believe that she is older than my mother.
INTO JAPANESE
彼女が私の母より年上だなんて信じられません。
BACK INTO ENGLISH
I can't believe that she is older than my mother.
That didn't even make that much sense in English.