The impulse for much writing is homesickness. You are trying to get back home, and in your writing you are invoking that home, so you are assuaging the homesickness.
To assign unanswered letters their proper weight, to free us from the expectations of others, to give us back to ourselves--there lies the great, the singular power of self-respect. Without it, one eventually discovers the final turn of the screw: one runs away to find oneself, and finds no one at home.
Most death now happens in hospitals. It's been medicalized. It happens away from where we deal with it directly. And that's a huge change. At the beginning of the 20th century most people died at home. Death was much more common.