From 2019, his longevity explained in his own words: "I think the best explanation for that is to marry the best spouse: someone who will take care of you and

From 2019, his longevity explained in his own words: "I think the best explanation for that is to marry the best spouse: someone who will take care of you and engage and do things to challenge you and keep you alive and interested in life," Carter told People.” https://www.cnbc.com/amp/2019/10/15/jimmy-carter-credits-living-to-95-to-spouse-rosalynn.html https://www.cnbc.com/amp/2019/10/15/jimmy-carter-credits-liv...