I had typed something out for you and poof..it disappeared.
I dealt with someone who refused a feeding tube...prideful. I finally got to the point where I said "I'm done".  you can't help someone who won't help themselves.  He spent days in hospitals due to 
dehydration.  Lost 60 lbs in 2 months.  
The stress became less on me once I stopped encouraging water and taking in formula.  His body, his choice.
He is on the second round of OC now. I don't go to any appointments because he told me I wasn't helping him (I was telling the medical teams the truth) so I'm hands off on all of it this time unless he needs a driver after a procedure.
I wish you well. Take care of yourself!