It seems religion provides the best comfort for some when dealing with death, especially untimely death. The thought of seeing a loved one again is what has enticed some into becoming JWs. I know of two such cases. In one of the cases it was obvious that it was this "hope" that prevented the person from going insane - she was very "spaced out", lost touch with reality after the unexpected death of all of her children in a crash.
On the other hand, there are persons like my late father who saw death as something that happens when "your number has been called" and that's the end of you.
My father learnt very early in life that death was a part of this life and that it is something to be expected and accepted (he was nevertheless adversely affected by the loss of his mother who died during childbirth).
It has been observed that persons who experience the loss of a loved one early in life are less likely to be religious (for obvious reasons), this was true of my father. My father saw life as something to be lived until the day "your number is called" and that's the end of you.
It seems some people can confront mortality more easily than others?