 Thirdly, we have the critical element. How long is it going to take for that defender to realize the attacker coming at them with a knife is turned away and the attack is no longer underway and they shouldn't shoot anymore? That takes considerably longer. The best study we have was published in the Journal of the American Medical Association. And what we're looking at, when you say reaction time, people will say, oh, that's an average of a quarter second.