There should be a word to describe the feeling of watching a cherished post descend your feed unshared.
Here is one that I want to give a second chance: A beautiful and sorrowful poem by Ilya Ehrenburg.
You can get a quick overview of your unshared posts by swapping my username with yours in this URL:
https://hubski.com/posts?id=mk&time=all&shares=0
Circle dots to the clockwise.