When we love someone who was hurt, we also hurt. It's called empathy.
This board is great for supporters in that here we get people to turn to, to ask questions, to get our own support (because we need it too). Sometimes we want to turn to the person we love and sometimes they are not ready.
Apologizing to your brother for the altercation and then silently standing by him until he turns to you is an amazing gift you can give him - to know that he is loved regardless of what he suffered and regardless of how he feels about himself.