It's tough to see a loved one struggle through misdiagnosis, sorry for that! For Type 8, which is often associated with the prefrontal cortex, many find that a combination of talk therapy and some lifestyle changes can make a big difference. Cognitive Behavioral Therapy or even Dialectical Behavior Therapy (DBT), which is often used for BPD, can be really effective for learning to manage intense emotions and impulsive behaviors. In terms of supplements, some people have reported good results with things like Omega-3 fatty acids and L-Tyrosine to help with focus and mood, but it's crucial to talk to a doctor before starting anything new! As for routines, a consistent sleep schedule, regular exercise, especially anything that gets the heart rate up, and a diet low in sugar and processed foods are often recommended. It's about finding what works for him, and every step you take to support him is a huge help!