Apparently it went well. DH was pleased at his whole day.
He got to relax and see some friends before the event too.
He didn't approach or talk to anyone, didn't see YSD16 at all since she was behind the set. OSD18 did see him clearly but didn't react. Which is very good. In the past she would run away or hightail it in another direction. He was feeling good about it.
He also contacted the PAS counselor for himself so hopefully he'll have an appointment soon. His regular counselor also told him to do it.