According to reports Justin Bieber’s father Jeremy Bieber has serious issues dealing with reality. According to a family source the former mixed martial arts fighter punched his 20-year-old nephew Tylor in the face repeatedly after he told Biebs Sr. he was living off his son and “wouldn’t be anything if it wasn’t for Justin.” Keep reading for all the sad details, including Justin Bieber’s dad’s drunken plea, “Don’t call me Justin Bieber’s dad!”