YOU SAID:
I was living two distinct lives by this time.
INTO JAPANESE
私はこの時までに2つの異なる人生を生きていた。
BACK INTO ENGLISH
I had lived two different lives by this time.
INTO JAPANESE
私はこの時までに2つの異なる人生を生きていました。
BACK INTO ENGLISH
I had lived two different lives by this time.
That didn't even make that much sense in English.