And what would I do with shells?
"Exchange them for flies again, see?"
A Hopeful Old Bigamist
There are any number of difficulties and bumps along the roads of this world, and yet there are plenty of easy-going people who never prepare for them. They take all such things as they come. Some are buoyant, some fearless.
You may die any minute!
But within the last hundred years, large companies have been organized to go after these people, and catch them alone somewhere and give them a good thorough fright. These companies hire men who are experts at that sort of thing; men who make it their life-work to find fearless persons and scare them.