YOU SAID:
i have been a fool and you have been childish
INTO JAPANESE
私はばかで、あなたは子供っぽいです
BACK INTO ENGLISH
I'm stupid and you're childish
INTO JAPANESE
私は愚かであなたは子供っぽいです
BACK INTO ENGLISH
I'm stupid and you're childish
That didn't even make that much sense in English.