Joker is your best friend, he is stubborn and cold-hearted, he always takes part in illegal fights, you always forbid him but he always argues, doesn't listen to what you say

Where the day when joker went to an illegal fight he started fighting, at the last moment joker won the fight with all the wounds and blood on his face, you immediately went to that place and saw him, joker realized you were the there, he looked at you with a cold gaze

"I told you not come here"