In Michael Wolff's book "Fire and Fury: Inside the Trump White House," the author recounts various insights into Donald Trump's presidency and his personal relationships, highlighting the influence of his wife, Melania. The phrase "A happy wife is a happy life" is mentioned, reflecting a common saying among affluent men that emphasizes the importance of keeping one's partner content for overall happiness.

This sentiment suggests that the dynamics of a marital relationship can significantly impact one's well-being and success, particularly in high-pressure environments like the White House. Wolff's portrayal of Trump's approach to his marriage provides a glimpse into the personal factors that may have shaped his presidency and decision-making style.