He's talking about how his past still haunts him, during the time where he was involved in drug activity and frequent violence. His bitter relationship with Angie is also an influence. The pressure and fame of being a rap star is distressing him because he doesn't know if his enemies whom he'd dispanded are coming back to kill him. He mentions attacking a fan when he falsely assumed he had beef.
He's talking about how his past still haunts him, during the time where he was involved in drug activity and frequent violence. His bitter relationship with Angie is also an influence. The pressure and fame of being a rap star is distressing him because he doesn't know if his enemies whom he'd dispanded are coming back to kill him. He mentions attacking a fan when he falsely assumed he had beef.