i don't think you should try and change him. having been ill for over 10 years now, my husband deals with things by letting me get on with things unless i ask him for help, which he is more than happy to give when i ask him. In 10 years of hospital appointments, he has been to 2 of them, but actually thats ok, cause it means i can give him my interpretation of what they tell me, rather than what they actually tell me. I would prefer he keeps his work sweet because at some point i'll have to give up work completely, and ill need him to have been a reliable employee then.
I once read a study (whose author escapes me now) when i was doing my degree which showed that people with solicitous families often fared worse because they just got into a sick role, and allowed other people to do stuff for them, therefore losing independence quicker. I would prefer my husband had high expectations of what i could cope with and do, so that i try to live up to them