Definitely try and get someone to give you some respite. I guess that in her present state it wouldn't be a good idea for Judy to be left alone in the house and both of you will probably benefit from a little time apart.

My daughter's mother-in-law is in a serious way with cancer which has spread and has left her fairly immobile. Both she and her husband have been feeling the strain of her being housebound but he won't leave her, even with someone else there.