YOU SAID:
i kissed by exs brother and now hes mad
INTO JAPANESE
私は元兄にキスをし、今彼は怒っています
BACK INTO ENGLISH
I kissed my older brother and now he is angry
INTO JAPANESE
私は兄にキスしました、そして今彼は怒っています
BACK INTO ENGLISH
I kissed my brother and now he is angry
INTO JAPANESE
私は弟にキスしましたが、今彼は怒っています
BACK INTO ENGLISH
I kissed my brother but now he is angry
INTO JAPANESE
私は弟にキスをしましたが、今彼は怒っています
BACK INTO ENGLISH
I kissed my brother but now he is angry
That didn't even make that much sense in English.