Ghosts

Go read Lurch. Been there, and a lot of folks coming home will go down that road as well:

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There are things a man can never forget, and there are things he wants to. When he wants to forget things he can't forget, it can create torment. Late at night those figures appear in front of us, morphing out from the dark wall of the room. Or maybe a suggestive mind thinks they are there. Does it matter? They inhabit my life as surely as if I could reach out, touch them, bum a smoke, offer a can of beans, or pass a canteen.

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