How I Recognized When Things Are High

Tiffany, 40, is a native English speaker who lives in Cancun, Mexico. She says she was the only person in her group of friends that could swim. A zip line took them to a cenote where they were supposed to jump into the water and fly through the air. Tiffanys' story will be featured on CNN's "This Is Life with Kelly Wallace" Sunday at 8 p.m. ET.