Buy ammunition! Remember that a man cannot have too many books, too many wines, or too much ammunition. Our adversaries on the other side are reaching for the excuse of lead poisoning. If they can push that idea through, you may wind up still owning your guns but without anything to shoot in them.
Observe your cat. It is difficult to surprise him. Why? Naturally his superior hearing is part of the answer, but not all of it. He moves well, using his senses fully. He is not preoccupied with irrelevancies. He's not thinking about his job or his image or his income tax. He is putting first things first, principally his physical security. Do likewise.
The perfect fight is one that is over before the loser really understands what is going on. The perfect defense is a counterattack that succeeds before the assailant discovers that he has bitten off more than he can chew.
Not long ago it was easy to tell who the bad guys were. They carried Kalashnikovs. Now it is much more complicated, but one thing is sure - any man who covers his face and packs a gun is a legitimate target for any decent citizen.