Dynamic Duos: How do you really know if you’ve found “the one”? YouTube power couple NICK and CHELSEA HURST give their advice on all things dating and marriage in their book debut, “Marriage Minded: 10 Ways to Know If You Found the One.” Best Friends since elementary school, LAUREN MCNUTT and LEANNE LANGDON share their story of being diagnosed with breast cancer days apart and how their friendship got them through the difficult time. Plus, how a quick-thinking dog saved his owner’s life!