It's important to remember that everyone has ups and downs when it comes to love and relationships. Just because you may have faced challenges or setbacks does not mean you are a failure, and it certainly does not mean that no one will ever love or accept you again. Here are some insights to help you navigate this feeling:

1. Negative self-talk: If you constantly find yourself berating or criticizing yourself, it can lead to a belief that you are unworthy of love. It's essential to challenge these negative thoughts and practice self-compassion and self-love.

2. Isolation and avoidance: If you find yourself withdrawing from social situations or avoiding potential romantic connections altogether, it may indicate a fear of rejection or a belief that you are destined to fail. Pushing yourself to engage with others and taking small steps towards building connections can help break this pattern.

3. Unrealistic expectations: Having extremely high or rigid expectations for yourself and others can set you up for disappointment. Understand that relationships require ongoing effort, compromise, and even some failures along the way.

4. Repeating negative patterns: If you repeatedly find yourself engaging in unhealthy relationship dynamics or attracting partners who are emotionally unavailable or incompatible, it may be necessary to reflect on your own patterns and seek professional help, such as therapy, to identify and address underlying issues.

5. Lacking personal growth: Growth and self-improvement are essential aspects of life. If you feel stagnant or stuck, it might contribute to feelings of failure. Focus on personal development, cultivate your interests, and pursue goals that bring you joy and fulfillment. This will not only enhance your confidence but also make you more attractive to others.

Remember, everyone faces challenges in relationships, and setbacks do not define your worth or your ability to find love in the future. Prioritize self-love, personal growth, and seeking support if needed to overcome any feelings of failure.