It's not always the just Adults with ADD who need help and support. Many times those who care about people with Attention Deficit Disorder need help too. Spouse and Partners of people with ADD quite often needs just as much support and understanding about Adult ADD as those they care about.
There are some resources to help partners and spouse of adults with ADD. There are some great books about Adult ADD including ones specifically about Adult ADD and Relationships. ADD Teleclasses geared toward Partners of People with ADD can be of great help too. Don't forget about online support through places like the Living with ADD Forum.