“Yes. Rebellion is normal, it’s part of the angst of not knowing who you are as a person to get asdfadsf ”

Yes. Rebellion is normal, it's part of the angst of not knowing who you are as a person to get out from the shadow of your parents. Work on showing him respect & making him feel safe to open up. Take up a hobby to pass the time while you're giving him some space. Don't leap directly into posing solutions. First let him know you support him & get his attention to problems.