The Rule of Threes for Survival in the Wilderness

In wilderness survival there’s an old maxim called the rule of threes. The rule of threes is there to remind you of the most immediate issue that must be solved first. It helps to focus on what is most essential and how long you will survive without it. So what is the rule of threes? The first rule of three is that you can’t survive more than three minutes without oxygen or in icy water. While some free divers have been known to be able to survive up to 10 minutes holding their breath, most people cannot hold their breath