Hi it seems that your husband wants slave to look after him and get everything for him.

As long as hes mobile and can move about safety and as you say lucid.can do things for himself , you do what you want, remember your married not joined at the hip.

When I was diagnosed I was given five years that was Feb 2016 I was working metal fabrication and welding factory ,I kept working for two years till my wife got ill she has Alzheimer's and Parkinson's so she kept falling over, I'm her official carer and I was before being diagnosed , but she was more mobile.

now, still going strong still positive and fighting despite being bitten by cancer a few more times,.I might be on palative care but that doesn't mean that's it.

If he does get very bad and definitely needs help remember there are carers as well as you to look after him 

Take care of yourself remember.

Billy