Maintaining motivation in Brazilian Jiu-Jitsu, especially when you find yourself frequently overpowered by larger opponents, can indeed be challenging. However, with the right mindset and approach, you can turn these experiences into opportunities for growth and improvement. Here are some strategies to help you stay motivated:

1. Accept Your Physical Reality

Firstly, acknowledge and accept that size and strength differences will affect your training dynamics. This acceptance is not about resignation but about understanding your starting point. This understanding can help you set realistic goals and expectations for your training sessions.

2. Reframe Your Challenges

Shift your focus from size and strength disparities to your own development in technique and skill. Instead of viewing a loss as a result of physical mismatch, analyze it to understand what technical aspects you could improve. This shift helps cultivate a growth mindset, where each session is seen as a learning opportunity rather than a win-lose scenario.

3. Focus on Technical Mastery

In BJJ, technique can often outweigh brute strength. Prioritize learning and mastering techniques that are effective regardless of size disparities, such as leverage-based moves, submissions from the bottom, and guard techniques. This focus not only improves your skills but also boosts your confidence as you become more capable of handling bigger opponents.

4. Set Small, Achievable Goals

Set specific, incremental goals for your training. These could be as simple as improving a particular guard pass or learning to maintain a position longer than you did in the last session. Achieving these small goals can provide a sense of progress and success, which is crucial for maintaining motivation.

5. Seek Feedback and Support

Regularly seek feedback from your coach and more experienced practitioners. They can provide insights into your technique and help tailor your training to your specific needs. Also, bonding with fellow BJJ students who might be facing similar challenges can provide mutual support and encouragement.

6. Celebrate Your Improvements

Make it a habit to acknowledge and celebrate your improvements, no matter how small. Recognizing your own progress helps build a positive feedback loop that enhances your motivation and love for the sport.

7. Adjust Your Training Environment

If possible, occasionally train with partners who are closer to your size or skill level. This variation can give you a better sense of your own progress and allow you to practice techniques that might be more challenging against larger opponents.

By implementing these strategies, you can maintain your motivation and enthusiasm for BJJ, turning challenges into stepping stones for improvement. Remember, every great practitioner was once a beginner, facing their own unique set of challenges. Your journey in BJJ is about continuous learning and personal growth.