YOU SAID:
ok then stupid man i will kill your friends
INTO JAPANESE
じゃあバカな男私はあなたの友達を殺します
BACK INTO ENGLISH
Then stupid man i kill your friend
INTO JAPANESE
それから愚かな男私はあなたの友人を殺します
BACK INTO ENGLISH
Then stupid man i kill your friend
That didn't even make that much sense in English.