YOU SAID:
her was crazy being her
INTO JAPANESE
彼女は彼女であることに夢中だった
BACK INTO ENGLISH
She was crazy about being her
INTO JAPANESE
彼女は自分に夢中だった
BACK INTO ENGLISH
She was crazy about her
INTO JAPANESE
彼女は彼女に夢中だった
BACK INTO ENGLISH
She was crazy about her
That didn't even make that much sense in English.