Lance Corporal Kyle Carpenter was on patrol in Afghanistan when a grenade was thrown onto the rooftop where he was on watch. At just 21-years-old, Kyle jumped on to the explosive, expecting to make the ultimate sacrifice. Kyle survived. He endured 41 surgeries and years of physical therapy. In 2015, at just 24-years-old, he became the youngest living recipient of the Medal of Honor. Now Kyle is telling his story in his new book, "You Are Worth It: Building a Life Worth Fighting For." He joined Cheddar to discuss.