This document discusses teacher burnout and maintaining teacher enthusiasm. It notes that teacher attrition rates are generally high, with 30-40% leaving within 5 years, partly due to burnout. Burned out teachers remaining in the profession can be problematic as they may experience physical and mental stress symptoms. Burnout can spread between teachers as negative emotions are adopted. The document examines sources of teacher stress like workload, student behavior, and lack of support. Prolonged stress can lead to burnout, characterized by emotional exhaustion, depersonalization, and reduced personal accomplishment. Developing self-efficacy and resiliency can help prevent burnout.