There is no guarantee that your ex-boyfriend will come back even if you fix your issues and become more confident, independent, and stable. Relationships are complex, and people's decisions are influenced by a wide range of factors, including their feelings, experiences, and personal growth.
While improving yourself can be beneficial for your own well-being and future relationships, it doesn't necessarily guarantee that your ex will return. It's essential to focus on self-improvement for your own sake rather than with the sole purpose of getting your ex back. If a reconciliation is meant to happen, it will depend on both of your feelings and willingness to work through any past issues.
Ultimately, the future of your relationship is uncertain, and it's crucial to be prepared for any outcome. It's essential to take this time to focus on your personal growth and happiness, regardless of what may happen with your ex-boyfriend.