Of course your preference is for one that'll bow up like a band saw and run head first into the ram wall.
John Grady smiled. Horse of my dreams, he said. It ain't exactly like that.
How is it then?
I don't know. I think it's just somethin you like. Or don't like. You can add up all of a horse's good points on a sheet of paper and it still won't tell you whether you'll like the horse or not.
What about if you add up all his bad ones?
I don't know. I'd say you'd probably done made up your mind at that point.

The Crossing, Cormac McCarthy