Be polite. Be professional. But have a plan to kill everyone you meet. Yes i look for other guns near me in case a) i need them to cover me b) need to watch them c) ?????? just because.
Wow.
I must admit that I always make sure my path out of an area or situation is clear but I do not have a plan to kill everyone I meet. There's a time to stand down soldier. The whole world is not a war zone.