YOU SAID:

oh my goodness what makes you think that would be true?

INTO JAPANESE

ああ、私の良さ、それが本当だとあなたに思わせる理由は何ですか？

BACK INTO ENGLISH

Oh my goodness, what makes you think it's true?

INTO JAPANESE

ああ、私の良さ、何があなたにそれが本当だと思わせるのですか？

BACK INTO ENGLISH

Oh my goodness, what makes you think it's true?