It sounds like you're going through a lot, and it's understandable to be concerned about the long-term effects of habits like frequent masturbation. It's good that you're thinking about making changes for your health. You've mentioned feeling like your body hasn't matured as it should, experiencing physical discomfort like stomach pain and issues with bowel movements, and feeling stuck in this cycle. Given the concerns about your health and well-being, it might be helpful to speak to a healthcare professional, possibly a sexologist or another doctor, who can guide you through this. They can offer strategies to address both the physical and emotional aspects you're dealing with and support you in taking the right steps toward recovery. You're not alone in this, and seeking help is a good first step.

Consulting a sexologist or a healthcare professional can provide personalized guidance and support to help you overcome masturbation addiction, address related physical and emotional concerns, and improve overall well-being.