Wow, you are the riskiest of all the answers so far. I tried with 2 and I'm not sure it is right for me... I also tried 1, and I'm never doing that again!
Kid's always have follow up questions! My kids, I could answer them with a completely nonsense answer or a completely scientific rational answer, and they would still find something to ask about... sometimes it is even relevant to the original question!
Have you tried a robot vacuum!!!! It's the best! But then I don't like skimping on lunch either... I save in other places...