I wouldn't so much as stick my head in a pool hall. Oh, look, this is as far as I go explaining what I am and am not like. I will not explain myself one more time. I will not make an inventory of my attributes for people or mention my goddamn sense of duty. I will not take one more round of his ridiculous, nonsensical crap! Whereupon
The quote reflects the speaker's frustration and refusal to justify their identity or behavior to others. They express a strong sense of self, rejecting the notion of having to enumerate their qualities or values, especially their commitment to duty. The repetition of "I will not" emphasizes their determination to stand firm against any attempts to pressure them into self-explanation.
This defiance indicates a broader theme of personal integrity and the desire for autonomy in the face of societal expectations. The mention of avoiding a "pool hall" suggests a self-awareness of environments they deem unworthy or contrary to their principles, illustrating their commitment to maintaining their beliefs without compromise.