Nicely written summary.

Death takes time to process. One of the things of life you don't know (or technically just don't emotionally realize) is there is a progressive isolating nature to it. As you get older, your world gets smaller and smaller.

People (and places) disappear and it seems to force a strange otherworldly feeling upon you. You still have an internal map of a world that you navigate by, but the external world is now missing pieces.

The only answer we have is to accept it. There is no other option.