Over the years I've saved articles that were of interest to me as I grew older. Now that I'm 71 they're speaking to me louder than before. I'd like to share them with you in hopes they may enlighten of comfort you.
"You're going to die; How to deal with it."
http://lifehacker.com/youre-going-to-die-heres-how-to-deal-with-it-1791498957
"Between Solitude and Loneliness"
"Why does time seem to move faster as we grow older"
"How to die"
https://www.theatlantic.com/magazine/archive/2017/10/how-to-die/537906/