Visuals for the beast

Why are we fascinated with the gruesome? Sea Monsters, Horror - blood, guts, ghosts and their dusty, moldy, gooey bones? I cut my finger a little over a month ago and was close to fainting - it hurt so bad and took forever to stop bleeding - but i wanted it to stop so I could see the tissue underneith - somehow I thought there'd be more texture more sinew. Mangled bodies and cruddy crusts of bottom ocean dwellers (and glacier-formed lakes), skeletons and supposed spirit shadows. Of course the answer is instinct and carnal however natural, I'm not sure I'm proud of that part of my curiousity.