YOU SAID:
If you stay you won't be sorry
INTO JAPANESE
あなたが滞在するなら、あなたは後悔しないでしょう
BACK INTO ENGLISH
If you stay, you will not regret
INTO JAPANESE
滞在すれば後悔することはありません
BACK INTO ENGLISH
You won't regret it if you stay
INTO JAPANESE
滞在すれば後悔することはありません
BACK INTO ENGLISH
You won't regret it if you stay
That didn't even make that much sense in English.