Answer:
his urgent need for treatment
Explanation: I am positive this is the answer
In the story written by John Steinbeck, it can be seen that the turtle was into a lot of hardship from the state of the road, the grassland, and the person from a truck passing by which almost tipped it over. The turtle is a symbol of perseverance, transformation through struggles, and aggression.
"exuberance" means enthusiasm or showing a lot of energy. if someone holds back a cry of pain, that doesn't really make them seem energetic or excited. from that alone, you can infer that "stoicism" is your answer, but that word relates to a pointed lack of emotion, like when someone doesn't want to lose face or show that they're in pain.
Gradpoint answer
Your personality changes throughout grade school makes the most sense since an autobiography is about that person by that person and that's the most personal topic.