YOU SAID:
i want you to buy me a loaf of his bread
INTO JAPANESE
私はあなたに私に彼のパン一斤を買ってもらいたい
BACK INTO ENGLISH
I want you to buy me a loaf of bread
INTO JAPANESE
私はあなたに私に一斤のパンを買ってもらいたい
BACK INTO ENGLISH
I want you to buy me a loaf of bread
That didn't even make that much sense in English.