I was also the wife that didn't get it. But what hooked me was the alternative reasons for preparing... like job loss, illness, natural disaster, severe inflation, the unforeseen that isn't as apocalyptic.
So, because it's my responsibility to make sure we are fed, the food accumulation...
I've been lurking for several months and finally decided to participate. Great stuff. I'm glad to converse with some like minded individuals. See you in the threads.