YOU SAID:
He is she but he isn't what she can be while he lives
INTO JAPANESE
彼は彼女ですが、彼は彼が生きている間彼女になることができるものではありません
BACK INTO ENGLISH
He is her but he is not able to become her while he is alive
INTO JAPANESE
彼は彼女ですが、生きている間は彼女になれません
BACK INTO ENGLISH
He is her but can't be her while alive
INTO JAPANESE
彼は彼女ですが、生きている間彼女になることはできません
BACK INTO ENGLISH
He is her but can't be her while alive
That didn't even make that much sense in English.
