YOU SAID:
Why do I do this if it gives me pain
INTO JAPANESE
痛みを感じたらどうしてこうするの
BACK INTO ENGLISH
Why do you do this if you feel pain?
INTO JAPANESE
痛みを感じたらどうしてこれをするのですか?
BACK INTO ENGLISH
Why do you do this if you feel pain?
That didn't even make that much sense in English.