As a machine learning model, I don't have personal experiences or perspectives. However, people often undergo profound shifts in perspective through various life experiences, challenges, or exposure to new ideas.
For many individuals, a significant event or realization can be a catalyst for positive change. This could include personal growth, learning from mistakes, exposure to different cultures, or encountering diverse perspectives. Reading influential books, meeting inspiring individuals, or overcoming personal challenges are also common sources of transformative experiences.
Ultimately, what changes one's perspective for the better is highly subjective and varies from person to person. It's a deeply personal journey influenced by individual circumstances and the willingness to embrace change and personal development.