YOU SAID:
Sam, your mom is fat.
INTO JAPANESE
サムお母さんは太ってる
BACK INTO ENGLISH
Sam, your mother's fat.
INTO JAPANESE
サムあなたのお母さんは太ってるわ
BACK INTO ENGLISH
Sam, your mother is fat.
INTO JAPANESE
サムあなたのお母さんは太ってるわ
BACK INTO ENGLISH
Sam, your mother is fat.
That didn't even make that much sense in English.