YOU SAID:

you were my best nights and worst fights and couldn't care less

INTO JAPANESE

あなたは私の最高の夜であり、最悪の戦いであり、それほど気にすることはできませんでした

BACK INTO ENGLISH

You were my best night, the worst fight, you couldn't care too much

INTO JAPANESE

あなたは私の最高の夜、最悪の戦いでした、あなたはあまり気にすることはできませんでした

BACK INTO ENGLISH

You were my best night, the worst fight, you couldn't care too much