YOU SAID:

Could you tell the truth, so I don't have to lie?

INTO JAPANESE

本当のことを言えば、嘘をつく必要はありませんか？

BACK INTO ENGLISH

To tell the truth, don't you have to lie?

INTO JAPANESE

実を言うと、嘘をつく必要はありませんか？

BACK INTO ENGLISH

To tell the truth, don't you have to lie?