1. Due to the babies, I doubt my wife will have an opportunity to fire the Beretta for a couple of months. In the meantime, should I show her how to use it in case something happens, or assume that she'll likely do more harm than good if she goes for the gun in a bad situation?
Stay home and watch the kids while she goes and takes training from a professional independent of you. Guess what, you are not the one who should be teaching her. Likely you will coddle her too much.