Survivalist Tip: As I’ve stated constantly throughout these posts, there’s a strong likelihood the Earth’s magnetic fields will reverse on or immediately after December 21st. This will be a good thing in some ways; mainly that utility companies will go off-line and anyone stalking you will become confused and lost. You won’t, though, if you get a compass. This will be especially helpful if you decide to head out on foot, or even if you have to evacuate your home. Either way it’s an essential tool – particularly for finding water and chocolate amidst the chaos.
Chief Writing Wolf 
This stupidity won’t ever happened. Human prediction on things like this have a huge marginal error, especially prophecies from hundreds years ago. And one thing, magnetic field formed because there is difference between 2 different polar on the Earth’s axis; reversal of the 2 polar means earth suddenly rotate to opposites direction. A huge amount off masses like Earth needs enormous space object to make this happened.
Somehow, the sarcasm and humor inherent in this segment has flown right over your little head.