Never miss a meal.

When you first begin to fend for yourself you may only be able to find things that in your very near past you may have considered inedible. However if you do not put away your prejudices and continue to feed your muscles there  is the very real possibility that you will not live or even have the strength to continue your search for more palatable nourishment. The old adage that a bird in the hand is worth two in the bush applies to this scenario. Human beings are omnivores and it may become necessary to become the most skilled scavenger.