It doesn't sound like he's getting better just with meds as he's going to therapy as well. I have anxiety and panic disorders, and they can be absolute hell. I couldn't even participate on this board for a few days because everything triggered me. Then thinking about getting on here started triggering me. And yes, I took a pill. I also take a maintenance anxiety pill. A lot of problems start as young adults, or before, but get diagnosed in young adulthood. The best thing you can do, as others have said, is let his treatment team be his treatment team, and you be his friend.