What in the world can I do?

So Mike has been home now for 4 months-- still not showering, or changing his clothes. His jumpsuit is actually coming apart at the seems and yet...she will not change his clothes! It's driving me CRAZY! The smell is so bad, that even fabreeze does not help. We found out my husband has a tumor, yes, it is cancer-- so now, once my hubby goes in for surgery and chemo I don't know what to do! Besides the hygene aspect, he also will not go into the refrigerator for food or drink, he will not do anything for himself!