YOU SAID:
Haha you are not kidding me right now because not only did you spend an arm and a leg on that suit but you look horrible
INTO JAPANESE
ハハ、あなたは今、私をからかっているわけではない
BACK INTO ENGLISH
Haha, you are not kidding me now
INTO JAPANESE
ハハ、あなたは今私をからかっているのではない
BACK INTO ENGLISH
Haha, you are not kidding me now
That didn't even make that much sense in English.