It's a fun myth but Parton and Curry already come fast on the heels of a few recent celebrity deaths: Sam Neill, Bonnie Tyler, Daveigh Chase, Hayden Panettiere, and Lindsay Graham.
Honestly, if I could make it to 70 I'd say I lived a good life. getting to 80 and outliving my grandpa would be great.
Then I see people barely older than me, who felt like they were just getting started go out way way way too young... and that just terrifies me.