How did Brian demonstrate perseverance?

In the story the "Fire Builder" Brian demonstrates perseverance in many ways in his stuggle to survive. One of the ways he showed perseverance is by making fire because he had fail so many times and he didn't give up untill he had made fire. Another way he showed perseverance is because a porcupine attacked him and he didn't show self-pity he pulled the quills out even if it was alot of pain. A difficult challenge Brian had faced was that his hunger because even if the rasberries wore smushed he ate it to survive. Brian showed plenty of perseverance by making fire, not self-pity, and surviced from hunger.

(>-.-)>FIRE<(-.-<)