So, here we are, a bunch of middle agers blasting our daily doings on Facebook, Twitter, and Instagram. We post the darling photos of our children, past and present. We post funny pet videos, thoughtful articles we believe will inform and inspire others, and hilarious memes to lighten our friends’ days. Our worries are different now than they will be as we age. Certainly, they are many and varied. We have aging and sick parents, kids who are grown or nearly grown, and of course we will never stop worrying about them. I allowed my mind to wander, as I often do when I should be working on my novel instead. And during that distracted wandering, I thought about how our posts might change as we age a few decades. By then, our kids will have kids and grandkids of their own. Will our social media look different? After having two grandparents recently spend their last days in a nursing home out of necessity, I observed a few things. If I were in my eighties, in …