YOU SAID:
why must you be so idiotic
INTO JAPANESE
なぜあなたはそんなにばかでなければならない
BACK INTO ENGLISH
why you have to be so stupid
INTO JAPANESE
なんでそんなにバカにならなきゃいけないの
BACK INTO ENGLISH
why do i have to be so stupid
INTO JAPANESE
なぜ私はそんなに愚かでなければならないのですか
BACK INTO ENGLISH
why do i have to be so stupid
You've done this before, haven't you.