YOU SAID:
I'm glad I have a past history of aggression!!!
INTO JAPANESE
過去に暴力歴があって良かったです!
BACK INTO ENGLISH
Good thing I have a history of violence!
INTO JAPANESE
私に暴力歴があって良かったです!
BACK INTO ENGLISH
Good thing I have a history of violence!
That didn't even make that much sense in English.