My wife and I have discussed and played out a number of scenarios ... she knows that if we are threatened to move away from me as quickly as possible and seek (at the least) concealment ... if somebody is shooting, I want to be the target, since I am always carrying the means to fight back .. she is not interested in carrying, tho she does have one of those two-shot Kimber pepper blasters ... I would never want her behind me; it limits my ability to respond and to move in a defensive manner while (if I have to) firing back ... plan ahead is always excellent advice ...
"The gun has been called the great equalizer ... It insures that the people are the equal of their government whenever that government forgets that it is servant and not master of the governed." --Ronald Reagan