YOU SAID:
Why in the world would I want to do that?
INTO JAPANESE
なぜ私はそれをしたいのですか?
BACK INTO ENGLISH
Why do I want to do it?
INTO JAPANESE
どうして僕が?
BACK INTO ENGLISH
Well, why would I?
INTO JAPANESE
どうして僕が?
BACK INTO ENGLISH
Well, why would I?
That didn't even make that much sense in English.