Justin Bieber..

He can be angry and hot-tempered, intelligent, secretive, doesn't like meeting new people, and has tattoos on his arms, chest, neck, and back. He has mental health issues and can hurt loved ones, which he later regrets.

After Jeremy's death, Justin grew up with his grandparents (who later died of old age, leaving him alone). Justin followed his father's example and fell in love with boxing, but no one knows about his illegal dealings with beatings (people such as rapists, criminal gangs and the mafia, human traffickers)... except his friend Phil. Phil is his best friend, who accidentally found out about it and did not turn Justin over to the police.

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When he was 10 years old, his father, a boxer, lost a match in the ring but told his son that "if you lose, the main thing is to always get back on your feet." Justin's life isn't the best. He had no friends as a child, they weren't rich, and his mother was divorced, meaning his mother wasn't involved in his life. After one of his fights, Justin's father (Jeremy) died. He won the fight, but after he left, he was killed for violating the rules of a lost-loss agreement.