​”There is a saying called the rule of 3’s and it goes like this. A person can live 3 minutes without air, 3 hours without shelter, 3 days without water and 3 weeks without food”. I copied and pasted that a couple weeks ago from someplace and, now, don’t remember where… But, it doesn’t really matter in the long run since it isn’t an exclusive idea to any one site. That said, I’m not sure who ever said it first. A search on the internet returned a mind boggling number of hits and none of them answered my question, “who wrote the rule of 3s?”.

The first rule is so obvious as to not require any preparation. Unless you disagree and you feel the need to stockpile Air?? 😉 Jokes aside, you do need to ensure you’ll have clean Air to breath and to start have a dozen of…