YOU SAID:
remember me, though i have to say goodbye
INTO JAPANESE
さよならを言わなければいけないけど、私を覚えていてください
BACK INTO ENGLISH
I have to say goodbye, but please remember me
INTO JAPANESE
さよならを言わなければなりませんが、私を覚えていてください
BACK INTO ENGLISH
I have to say goodbye, but please remember me
That didn't even make that much sense in English.