Death's door

I knock on death's door
only to find that no one is home
I leave a note saying I will be back later
but is that possible?
Turns out it is and yet again I am staring at deaths door
I am not expecting Hades the god of the underworld
I am expecting a shadow that will take me in
a shadow that will have me suffer and grieve
See death doesn't always come without problems
Everyone will have a problem when they die
Mine is a question
How will I die?