Falling into the Darkness that is the end of the Road

I have been on a slow and long decent, one that has been a struggle and slippery slope towards the darkness.
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As I have fought against this thing, the dark passenger grabbing and holding onto my life, the black dog snatching at my leg and holding me down,  I have become progressively tired of this fight.
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But once again like always, when this bought on movement towards the my ending, I look out towards those who know me and worry how they would cope if I was gone from this mortal realm, and then I choose to stay for another day or two.