Now I'm way beyond confusion.Now I'm scared.I've slid down the rabbit-hole and what's down there is dark and serious. This is not play-acting or some waking bad dream she's having. She's changed, somehow overnight. I don't know how I know this but I sense it as surely as I sense my own skin. This is not Sam, my Sam, wholly sane and firmly balanced. Capable of tying off an artery as neatly as you'd thread a belt through the loops of your jeans.And now I'm shivering too.In some fundamental way she's changed...