YOU SAID:
You'll never know if you don't go to town
INTO JAPANESE
あなたは町に行かないかどうかが分からない
BACK INTO ENGLISH
I don't know whether or not you go to town
INTO JAPANESE
あなたが町に行くかどうか私は知らない
BACK INTO ENGLISH
I don't know whether or not you go to town
You've done this before, haven't you.