Brian is terrified that he will starve after he survived the crash. He find some turtle eggs and decides to eat them even though he does not have a fire.
He then realizes that he can forage for berries. He finds raspberries and some other berries that he describes are gut -cherries that taste horrible and makes his stomach hurt. He realizes that he not the only one foraging when he sees a large bear.
Eventually , Brain is able to begin hunting and fishing when he makes a spear and arrow. He is slowly learning had to feed himself.