Deanna Favre has opened up about struggles in her marriage to Brett Favre including his addiction battle and her cancer diagnosis.Their relationship is highlighted in a new Netflix documentary, Untold: The Fall of Favre, focusing on Favre's 2010 scandal with Jenn Sterger.Deanna discussed facing tragedies like her cancer diagnosis and her brother's death, as well as Brett's addiction to painkillers.Despite challenges, the couple, who met at 14, got through rough patches and are still married with two daughters today.