Darwin got it all wrong, you see. Fitness has nothing to do with it. It's survival of the sickest. That's all.

The dead pull the living down.

I have sat here at my desk, day after day, night after night, a blank sheet of paper before me, unable to lift my pen, trembling and weeping too.

With horror he perceived that, by uniting himself as he had with the dead, he had cut himself off from the living. Stripped of all earthly hope, bereft of every consolation, he was rendered as poor as mortal can possiblybe on this side of the grave.

The dead are jealous, jealous, jealous and they will do anything to keep you from the living, the lucky living. They will argue with you, and distract you, and if that doesn't work, they will even let you hug them, and dance for you, and kiss you, and laugh, anything to keep you. The dead are selfish. Jealous. Lonely. Desperate. Hungry. ("The Chambered Fruit")

They told of dripping stone walls in uninhabited castles and of ivy-clad monastery ruins by moonlight, of locked inner rooms and secret dungeons, dank charnel houses and overgrown graveyards, of footsteps creaking upon staircases and fingers tapping at casements, of howlings and shriekings, groanings and scuttlings and the clanking of chains, of hooded monks and headless horseman, swirling mists and sudden winds, insubstantial specters and sheeted creatures, vampires and bloodhounds, bats and rats and spiders, of men found at dawn and women turned white-haired and raving lunatic, and of vanished corpses and curses upon heirs.