YOU SAID:
I was happy until you came here.
INTO JAPANESE
あなたがここに来るまで、私は幸せでした。
BACK INTO ENGLISH
I was happy until you came here.
INTO JAPANESE
あなたがここに来るまで、私は幸せでした。
BACK INTO ENGLISH
I was happy until you came here.
That didn't even make that much sense in English.