Yay, sometimes we have to be converted by taking "baby steps" as I tell DH when he pushes me to be more prepared. Your wife sounds a lot like me when it comes to preparedness. As she finds that it is easy to carry/obtain/use these little things that make life easier, she'll eventually start to carry/obtain/learn to use more of the items that you think are so useful for preparedness. For example, when DH took us camping over the weekend I found myself in a small group that was comparing the different knives that they carried and I actually had my own to show off too.

Oh, and I agree those plastic grocery bags are great. I always keep a few grocery bags rolled up in my bag.

-Kuovonne