Welcome to Healing Well, this is a great place for lupus support. I don't know of anyplace that is specific support for spouses-of-lupus; but there are groups for spouses of the chronically ill that would be able to help you. Check with your local hospitals, they usually know of groups in the area.
We are happy to have you here, and will help you as much as we can. You might want to read
The Spoon Theory to learn more about
how your wife feels.
Hang in there,