Proving yourself to someone who has doubted your ability to be fit, financially steady, healthy, and a good partner to date can be a challenging but worthwhile endeavor. Here are some steps you can take to demonstrate your capabilities and earn their trust and respect:

1. Self-Improvement:
   • Focus on your own personal growth and self-improvement. This can include working on your fitness, health, and financial stability. Set clear goals and create a plan to achieve them.
2. Consistency:
   • Consistency is key when trying to prove yourself. Show dedication and commitment to your goals over time. Consistent effort is more convincing than sporadic bursts of effort.
3. Communication:
   • Talk openly and honestly with the person who doubted you. Ask for feedback and seek to understand their concerns. Effective communication can help bridge gaps in perception.
4. Set and Achieve Goals:
   • Establish specific, measurable, and achievable goals in each area of concern (fitness, finances, health, and relationship). Track your progress and celebrate your accomplishments along the way.
5. Seek Professional Help:
   • If needed, consider seeking professional guidance or support. For instance, if you’re struggling with your finances, consult a financial advisor. If you’re working on your health, consult a healthcare professional or a personal trainer.
6. Be Patient:
   • Changing perceptions and earning trust takes time. Be patient and understanding of the other person’s skepticism. Show them that your commitment is long-lasting.
7. Lead by Example:
   • Demonstrate your capabilities through your actions. Live a healthy lifestyle, manage your finances responsibly, and show kindness and respect in your relationships.
8. Build a Support System:
   • Surround yourself with a support system of friends and family who believe in your abilities and encourage you. Having a strong support network can boost your confidence and motivation.
9. Document Your Progress:
   • Keep a journal or maintain records of your progress in each area. Sharing your achievements and milestones with the person who doubted you can help them see your dedication.
10. Give It Time:
    • Sometimes, the best way to prove yourself is by letting time do the work. As you continue to make positive changes in your life, people may gradually come to see your growth and commitment.
11. Be Understanding:
    • Understand that some people may never fully change their perception of you. Focus on your own growth and well-being rather than trying to win over every doubter.
12. Self-Confidence:
    • Believe in yourself and your abilities. Self-confidence is a powerful tool that can influence how others perceive you.

Remember that you are ultimately working on yourself for your own well-being and personal growth. While it’s natural to want to prove yourself to others, the most important validation comes from within. Stay committed to your goals, be persistent, and let your actions speak for themselves. Over time, those who doubted you may come to see your transformation and acknowledge your abilities.