YOU SAID:
I wanna know why it hurts so bad
INTO JAPANESE
どうしてこんなに痛いのか知りたい
BACK INTO ENGLISH
I want to know why it hurts so much
INTO JAPANESE
なぜそんなに痛いのか知りたい
BACK INTO ENGLISH
I want to know why it hurts so much
That didn't even make that much sense in English.