First let me say I do not think that we are headed for a SHTF scenario. However I have been thinking about my collection lately. I have several firearms that where handed down and have sentimental value. I have some that are always in the trading pool. I also have some that I have deemed essential. For example I have a Glock 19 that I practice with and will probably always keep on hand. My question is should I have more than one? If something did happen and I felt the need to gear up and leave town would there be a benefit in being able to give my wife the exact same weapon? She has been shooting but, is not what I would call efficient. Being able to share ammo, magazines, holsters.... seems beneficial. This is important because I really want to get a HK USP compact but, wouldn't be unhappy with another Glock 19. Thoughts?