Generate a full detail guide on dealing with burnout. The guide should be informative and validating. It must include sections on: 1. The Key Signs and Stages of Burnout. 2. The Difference Between Stress and Burnout. 3. Immediate Steps for Triage and Rest. 4. Long-Term Strategies for Recovery and Prevention, including setting boundaries. Please include a strong disclaimer that burnout is a serious condition that often requires professional support and time off.