The 29-year-old Israeli judoka Peter Paltchik reveals how he built a resilient mentality over the years, including following his Rio 2016 disappointment: "When you don't... know how to lose, you will never know how to win," he told the Olympic Channel. Hear more about how the lessons learnt growing up have served him well as a top-level competitor, and why he believes they'll help him at the Tokyo 2020 Games in 2021.