if a kid threw a small rock at you some years ago and then slowly over the years more kids throw rocks at you, only a couple at a time, and then one day you walk out the door and there are hundreds of kids throwing rocks at you and there is a newspaper on your front porch with headline "Kids throwing rocks projected to increase 50% by tomorrow"; do you think "I guess I've had a kid throw a rock at me before, this is no different"?