It's wonderful he's been supportive, but you are likely relying on him too much to vent. You need to have a therapist that specializes in chronic pain. Also finding a support group would be great as well. Have you tried an inpatient RSD/CRPS hospital program for kids/teenagers? It would be Good for you to meet friends that can relate to your situation! It's unfair this has happened to you, but it's also unfair for a teenage boy to be your main emotional support, and to an extent your caregiver.