Meet the miracle dog who changed one man's life

/ Source: TODAY

Seven years ago, Eric O’Grey was lonely, obese and diabetic, until a doctor gave him an unusual prescription: Adopt a rescue dog. O’Grey joins Megyn Kelly TODAY along with his wife Jaye to talk about his book “Walking with Peety: The Dog Who Saved My Life” and introduces his new dog, Jake, whom he adopted after Peety died in his arms.