Roy Jones Jr is a HOF boxer and was trained early on by his father. While I despise coaches who bully their students, especially their own sons/daughters, I think this kind of treatment was what made RJJ as mentally tough as he is:
http://en.wikipedia.org/wiki/Roy_Jones,_Jr.
"Roy Jones, Jr., was born in Pensacola, Florida,[25] to two very different parents. His mother, Carol, was warm and easy-going, whereas his father, Roy Sr., was much like a Marine Drill Instructor with respect to his son. A decorated Vietnam veteran, ex-club fighter and retired aircraft engineer who had taken up hog farming, Roy Sr. was hard on his son from early on, taunting the child, "sparring" with him, enraging Roy Jr., yelling at him and beating the child, often for 20 minutes at a time. This behavior never really changed; if anything it became more brutal as Roy Jr. grew up. Many people would call the father's treatment out-and-out abuse, but he believed he had a good reason for it: to make Roy Jr. tough enough to be a champion. In this pursuit, he was relentless and Roy Jr. lived in constant fear of his father's verbal and physical violence against him.[citation needed]
Jones described his childhood in Sports Illustrated: "After a while I didn't care about gettin' hurt or dyin' anymore. I was in pain all day, every day, I was so scared of my father. He'd pull up in his truck and start lookin' for something I'd done wrong. There was no escape, no excuse, no way out of nothin'. ... Getting' hurt or dyin' might've been better than the life I was livin'. ... Used to think about killin' myself anyway."
Roy Sr. ran his own boxing gym, to which he devoted all his available time and financial resources. He offered direction and useful discipline to numerous youths and steered many of them away from trouble. Roy Sr. did everything possible to expand the program and help more kids. But towards his own son he was merciless, driving Roy Jr. to the brink of exhaustion, screaming at him in front of all the other fighters, assaulting him.
Using his birds as an image for his own predicament, Jones said in the same Sports Illustrated piece: "I spent all my life in my dad's cage. I could never be 100 percent of who I am until I left it. But because of him, nothing bothers me. I'll never face anything stronger and harder than what I already have."
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