I could recommend Brian find someone he feels comfortable talking to about his feelings example another trusted friend or a professional. Or find close relative to have family members speak to him
The rules of 9. (EMT-Basic-related), so I'll keep it quick:
The third degree burns are painless because they have reached the nerves. So there is nerve-damage.
I attached 2 pics, one of Rules of 9 and Severity of burns:
Your favorite sport is soccer