Peter David's "Bronsky's Dates With Death" (novelette, free): A man's death-wish is fulfilled

Much of it is actually humor - an old man's obsession with his impending death, & the exasperation of his family members with it. But it has a grim & somewhat longish ending.

Fact sheet.

First published: F&SF, July/August 2011.
Download full text from Suvudu. (Note: Recent fiction  from F&SF tends to be online only for a couple of months. Save it locally if you intend to read it later.)
Rating: B.