If he has time to read a book, I hear this one is good - Stop Walking on Eggshells:

http://www.amazon.com/Stop-Walking-E...4111636&sr=8-1

and there's a workbook:
http://www.amazon.com/Stop-Walking-E...d_bxgy_b_img_c

I would just try and help him become really informed about your disorder, so he understands what you are dealing with.