Article continues below advertisementKody Brown confronted his biggest regrets as a father in a clip from Special Forces: World's Toughest Test. In an emotional moment, the 57-year-old star of Sister Wives faced the reality of his strained relationships with his 18 children from his plural marriages to former wives Meri, Christine and Janelle, and current wife Robyn Brown.Article continues below advertisementSource: FOXKody Brown opened up about his parenting regrets on 'Special Forces: World's Toughest Test.