Okay, if you find yourself in a wilderness situation where you might have to spend your night out, a couple days out, a week out or a month out, there are five big things that are my top five that you need. The top five are food, water, shelter, fire and attitude. Of those top five, they're in a specific order, at least I believe they're in a specific order, food is the least important. A lot of people think "Oh my g**, I need to have something to eat." Really, you can go four weeks without food. So, before you start to break down and malfunction from lack of food you have about three weeks. Water, however, you have about three days so that's more important to locate and find. Water is more important than food.
More important than water is going to be shelter. Shelter is something that, especially in a cold environment without warmth or without a fire, without shelter you maybe have a few hours that you can survive and function really, really well. After that your ability to function deteriorates. So, we have least important is food, next least important is water, then you have shelter and fire. Fire is important because it allows you to cook food, it allows you to stay warm, it allows you to purify water.
But the number one most important thing that you need to thrive in any wilderness or urban survival environment is your attitude. Your attitude greatly affects how well you're going to do whether you have any resources or whether you have no resources at all. Your outlook and your attitude is going to determine everything, and that's the most important thing that you have, and that' also something that you always carry with you. It's not something that you buy, but it's something that you're always going to have.