His riding borders on complusive. No one short of a major tour competitor needs to train that much. His symptoms are classic overtraining chacteristics.
He needs to do two things. First he must question what he's riding that much. It may be for some reason that needs some professional help like counseling. Second he needs to do smarter training. Perhaps buy him a good book or video to begin with, or get him signed up with a coach. 20-25 hours per week is the maximum anyone needs to train excpet if you are doing a long major tour.