10. You Can't Leave The House Without A Big Bag
If you're heading out for the day there is no way that you will be able to do so without taking a bag big enough to hold your buffet-sized supply of food that you'll take with you. How will you know when you're going to eat again, and how can you be certain that you won't want to kill someone before that time comes? It's best to play it safe and pack a six course meal with you, for those 'just in case' moments.