Rich, As Ray said, Hang in there.
The answer is definitely, Chill.
It can be a tough time between initial diagnosis and the start of treatment. I found it useful to take it one step at a time and prepare for that.
Many people here had a higher PSA and have been on the forum 10 years plus. Treatment has improved so much in recent years.
Keep your mind occupied, to stop the anxiety, read, chat with your son and brothers. Stay positive, I found this harder when tired, but was aware of this.
As Kevan says download the toolkit on this site, or phone and they can advise which booklets to get sent. I found it useful to read all I could.
Good luck on Tuesday with the review and please keep us posted so we can give you feedback.