The process of healing must start with yourself.  Do you regret what may have happened either directly or indirectly as your fault?  Your are redeemable and your thoughts no longer have to keep you in prison.  This podcast will teach you to focus on your emotions without embracing them,.  Acknowledge the mistakes by using them as stepping stones to climb the mountain of life and succeed.  He are some practical resources to help you  through self regret https://www.healthline.com/health/how-to-forgive-yourself