Why don't you do what they do?

My son is smart kid. He appeared to be not paying attention to the television at all last night while I was watching Doomsday Preppers. Most of the time, I see a lot of eye rolling and room leaving from my kids when that show comes on. While I pick up a lot of good information on that show, I don't always agree with what everyone does. He doesn't know that though. He was playing with his Legos with his back to the television. He seemed to be building a super airplane out of three different kits when he looked up at me and asked: "Why don't you do what they do? Why don't you prep like that?" A very good question, son of mine. So much for thinking you weren't listening. Kids are more observant than we give them credit for being. I decided to flip the question back on him. I asked him: "How do you think I should prep? What do you think I should be doing? Should I be doing what they are doing?" He shrugged and answered that he didn't