Act as a certified fitness coach with 10+ years of experience in helping clients maintain long-term workout motivation. Provide a detailed, step-by-step guide on how to avoid workout burnout, tailored for [BEGINNER/INTERMEDIATE/ADVANCED] fitness levels. Include strategies like [PROGRESSIVE OVERLOAD MANAGEMENT], [ACTIVE RECOVERY TECHNIQUES], and [MINDSET SHIFT PRACTICES]. Explain how to recognize early signs of burnout, such as [LACK OF ENTHUSIASM], [PERSISTENT FATIGUE], or [DECLINING PERFORMANCE], and offer actionable solutions. Address the importance of [WORKOUT VARIATION], [REST DAYS], and [NUTRITIONAL SUPPORT] in preventing burnout. Keep the tone encouraging and evidence-based, citing studies or expert opinions where relevant.