In an emotional interview with Oprah Winfrey, Mike Tyson claimed to be a new man – one focused on his family. The former heavyweight boxing champion feared that the erratic behavior that has dominated his life for two decades would kill him within two years if he returned to it. Tyson opened up about most of his headline-grabbing actions over the years, including his years in prison, his tempestuous eight-month marriage to Robin Givens, his long addiction to drugs, the $400 million fortune he squandered, the 1997 comeback match in which he bit Evander Holyfield’s ear, and — for the first time — the death of his 4-year-old daughter earlier this year. The key development in Tyson’s life stems from what seems to be a newfound self-awareness following his participation in the movie “Tyson,” a documentary about his life filmed as he went through rehab two years ago. “If I’m not conscious of who I am, I’m just going to let myself run, and I’m going to destroy my beautiful family, and I’m going to destroy myself, and I don’t want to go down that road any more,” he said. Tyson ranged from terse to surprisingly candid as Winfrey asked the fallen champion about his checkered past, and he delivered eye-opening quotes about Givens and Holyfield while remaining somewhat tightlipped about the specifics of his daughter’s death. On choosing not to know the details of his daughter’s accidental death: “I don’t know.[