Maintaining a positive attitude and letting things roll off your back — although not always easy — and not taking life too seriously seems to be one of the common denominators among those who’ve achieved longevity and living healthy, productive lives.

At 101, Antoinette Inserra’s advice is to “Live your life day by day and if something comes up take care of it and move on. It worked for more than 100 years for me and I plan to continue doing it,” says she.