How can individuals effectively communicate their boundaries when receiving criticism in order to maintain their self-worth and confidence?

Individuals can effectively communicate their boundaries when receiving criticism by clearly stating what they are comfortable with and what crosses the line. They can assert themselves in a calm and respectful manner, emphasizing the importance of mutual respect in the conversation. It is important to listen to the criticism without becoming defensive, and to focus on understanding the feedback rather than taking it personally. Setting boundaries and standing firm in their beliefs can help individuals maintain their self-worth and confidence in the face of criticism.