Not "Invadable"

During the course of the last few days I have rushed out the house and forgotten to put on any jewelry. As we were heading down our street on the way to run an errand I said "Oh, I forgot my wedding ring - I feel so naked!" Gunnar replied, "Why do you wear a wedding ring anyway?" I explained to him that it is a reminder of how much his Dad and I love each other and that we promised to spend our lives together. It's also a sign to other people that we are married and therefore, not available to date other people. He says, "Oh, kinda like the sign at the Chinese Restaurant over the thing I wanted to order last time? The one that said Not Invadable?" Yeah, kinda like that. Kids say the darndest things.