In "Mike and Psmith" by P.G. Wodehouse, the character in focus displays a strong sense of personal integrity, particularly when the matters at hand involve his own personal interests. His strict adherence to truthfulness highlights a commitment to honesty that he upholds within his own experiences and for his own reputation.
However, when the circumstances involve the well-being of his friends, he demonstrates a willingness to compromise this rigid honesty. His actions can be compared to those of an American expert witness, who may distort the truth to protect someone else. This duality in his character illustrates a complex moral landscape, where loyalty to friends sometimes outweighs his strict principles.