Pessimistic blogger going to live forever

“Longevity Project participants who were the most cheerful and had the best sense of humor as kids lived shorter lives, on average, than those who were less cheerful and joking,” Martin said in a statement. “It was the most prudent and persistent individuals who stayed healthiest and lived the longest.”

Part of the explanation lies in studying the health behaviors of the study subject — the cheerful, happy-go-lucky kids tended to take more risks with their health across the years, Friedman explained.