Answer:
To show how his character was formed by the poverty that he lived.
Step-by-step explanation:
In this excerpt poverty and hunger specially are depicted as different metaphors and how Wright lived with them and learnt how to understand them, how hunger came to him and weakend him and forbid him to play as much as he wanted to, and to enjoy life, waking up at night in hunger, he adds this excerpt to show the reader how his character was formed by the povert that he lived.