The frustration he felt was only with himself, for being so impossibly driven he might, at any moment, beg.
The protagonist experiences a deep sense of frustration, primarily directed inward. This feeling arises from his intense drive and ambition, which makes him susceptible to moments of vulnerability. He grapples with the fear that his relentless pursuit of goals may lead him to a breaking point where he could find himself pleading for help or relief.
This internal struggle reflects a broader theme of the book, where ambition can sometimes overshadow...