National Geographic shared this touching and amusing short documentary by Matt Cooper and Rocky Conly about the life of Richard Arvin Overton, America’s oldest living veteran. In the film, the charming, cigar-smoking, ice cream-loving, whiskey-drinking, supercentenarian (someone who has lived to their 110th birthday) talks about serving in World War II, living in the same house in Austin, Texas since 1945, and reveals his secrets to living a happy and healthy life.