To save her a million questions from people who didn't read her previous thread, it is here:
www.healingwell.com/community/default.aspx?f=35&m=2723859&g=2723940#m2723940DJtimewilltell,
There isn't really much specific you can do to help him at this point. He'll be more nervous than he lets on. Keep him busy. Keep him company. Having someone around for whom one can pretend to be calm does help.
Later, once you know what you guys are up against, there may be specific things you can help with.