YOU SAID:
I don't want to be with you
INTO JAPANESE
私は一緒にしたくないです。
BACK INTO ENGLISH
I don't want them together.
INTO JAPANESE
私は一緒にそれらを望んでいません。
BACK INTO ENGLISH
I do not want them together.
INTO JAPANESE
私は、それらを一緒に必要ありません。
BACK INTO ENGLISH
I have them together.
INTO JAPANESE
私はそれらが一緒にあります。
BACK INTO ENGLISH
I have them together.
That didn't even make that much sense in English.