In Leverage: How to Change the People You Love for All the Right Reasons and Get the Relationships You Deserve, Jaemin Frazer challenges the common advice to avoid changing loved ones, arguing that fostering positive change is essential for healthy relationships. Drawing from over 15,000 coaching sessions, Frazer introduces a five-step framework based on Security, Clarity, Integrity, Maturity, and Authority. This model guides readers in improving their relationships by first addressing personal insecurities and then effectively influencing others. Frazer's approach emphasizes the importance of personal growth and clear communication in transforming relationships for the better.