Kathleen Hennings, who recently turned 105, credits her longevity to two things, which she believes has kept her stress-free. She has led an active social life, enjoying the arts and travelling extensively. So, what’s her advice for a long, fulfilling life? It’s simpler (and a lot more fun) than one might think!Kathleen Hennings, who recently turned 105, credits her longevity to two things, which she believes has kept her stress-free. She has led an active social life, enjoying the arts and travelling extensively. So, what’s her advice for a long, fulfilling life? It’s simpler (and a lot more fun) than one might think!