YOU SAID:
Don't eat anything I wouldn't eat.
INTO JAPANESE
私が食べないものを食べてはいけない。
BACK INTO ENGLISH
Do not eat food that I don't eat.
INTO JAPANESE
食べない食べ物は食べないでください。
BACK INTO ENGLISH
Please do not eat food not to eat.
INTO JAPANESE
食べないで食べないでください。
BACK INTO ENGLISH
Please do not eat without eating.
INTO JAPANESE
食べないで食べないでください。
BACK INTO ENGLISH
Please do not eat without eating.
That didn't even make that much sense in English.