YOU SAID:
I like your mom, don't tell me otherwise
INTO JAPANESE
お母さんが好きなんだ、そうじゃないと言わないでくれ
BACK INTO ENGLISH
Don't tell me you don't like your mother.
INTO JAPANESE
お母さんが嫌いだって言わないで
BACK INTO ENGLISH
Don't tell me you don't like your mother.
That didn't even make that much sense in English.