Alison.
Supportive spouses are a rare, and special person. I am blessed with being married to one of these most wonderful people. My wife and I have been at this for many years (going on 33), and through her strength the journey has been much more bearable, for many reasons. Some are; she is - a shoulder to cry on, someone to talk to, someone who understands, someone to criticize, someone to keep you focused, someone to bring you back to earth and reality, someone to advise, she is an ally and a friend, and someone who will defend you, but most of all someone who will love you. These are just a few that quickly come to mind, there are many more.
One of the most important things for both spouses to remember is to communicate, comunicate, comunicate, be honest, loving and caring. It can be a tough haul but there are lights at the ends of those tunnels you may find yourself looking into. Susans is one place to start. Welcome, relax and enjoy your stay.