Overcoming sexual insecurities and body image issues can be a long journey but here are a few steps that might help ;

1 Self-compassion - Treat yourself with kindness and understanding. Remember that everyone has imperfections.

2 Positive self-talk - Challenge negative thoughts and replace them with affirmations and realistic viewpoints.

3 Focus on strengths - Shift your attention to the aspects of yourself you appreciate and feel confident about.

4 Education - Learn about body diversity and normal variations. Understanding that bodies come in all shapes and sizes can help alleviate concerns.

5 Communication - Openly discuss your feelings with a partner or a trusted friend. Their support can make a significant difference.

6 Professional help - If the issues are deeply affecting your well-being, consider seeking therapy or counseling from a trained professional.

7 Gradual exposure - Take small steps to confront your insecurities and gradually build your confidence over time.

Remember, progress takes time, so be patient with yourself as you work towards improving your self-image and confidence.