Dealing with dying and death and the grief that comes after has been the subject of books and poetry for centuries. Rainer Maria Rilke was a significant contributor to this field of thought.

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Pushing Through
~ Rainer Maria Rilke

It’s possible I am pushing through solid rock
in flintlike layers, as the ore lies, alone;

I am such a long way in I see no way through,
and no space: everything is close to my face,
and everything close to my face is stone.

I don’t have much knowledge yet in grief
so this massive darkness makes me small.

You be the master: make yourself fierce, break in:
then your great transforming will happen to me,
and my great grief cry will happen to you.[1] 

The Dark Interval: Letters for the grieving heart … The Guardian