YOU SAID:
You'll never know if you don't go
INTO JAPANESE
あなたは行っていないかどうかが分からない
BACK INTO ENGLISH
I don't know whether or not you have not done
INTO JAPANESE
私はあなたがしていないかどうか知らない
BACK INTO ENGLISH
I don't know if I didn't have you
INTO JAPANESE
私はあなたを持っていなかったかどうかは知らない
BACK INTO ENGLISH
I don't know if I didn't have you
Come on, you can do better than that.