Positive self-talk refers to the practice of encouraging and affirming oneself through constructive and optimistic thoughts. It involves replacing negative or critical inner dialogue with supportive messages, which can enhance self-esteem and promote a more positive outlook on life. This technique is often used in psychology to help individuals cope with stress and improve their mental well-being. Engaging in positive self-talk can lead to better performance in various areas, such as sports, academics, and personal relationships. By fostering a mindset of positivity, individuals can increase their resilience, motivation, and overall happiness, making it a valuable tool for personal development.