Aging Parents

I am still trying to get used to my parents as elderly/senior/old. Both of them were born in 1947 (does math) which means they will turn 78 this year. They are long divorced, so my relationship with them isn't a joint one. My Mom has been a widow since 2008. My Dad has been married to my step-mom for 43 years. Wonder Woman's wonderful parents are also still kicking. Her mom just turned 80 and her dad is 85.
Mom is exceptionally healthy. She's always eaten well and taken care of herself. She exercises regularly. And, she assures me frequently, she's only had two glasses of wine since Christmas, which is a likely story, but she doesn't have any alcohol related issues.
My Dad has had three or four heart attacks, numerous stints and coronary bypass surgery. An Army helicopter pilot, he had to quit flying in the 80s because of his blood pressure. He walks with a cane these days and not very far.
I've gotten good, personalized advice from kind people on the Internet about being an asset to my folks in the struggles we are all going to face as we age. It's a topic that isn't alwats fun to research, but I think it's better to do it electively, than to wait until panic strikes.
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