Run.
Your husband sounds like my dad. Bedridden. By choice.
A thousand doctors have told him over the span of 15 years to exercise, lose weight, go to counseling, take his meds, stop drinking liters of diet coke every day, etc, etc.
He changed nothing.
Now he's morbidly obese (300 would be a huge improvement). My mom waits on him like a maid. He can't climb or descend the 5 steps to leave the house. His only movement (yes, movement) is to walk to the bathroom (sometimes). Often my mom has to change his diaper.
He has checked out of life. By choice. And my mom, god love her, will people please and enable him until he dies. After that she has given herself permission to move and live with her sister (or me, as I've offered).
But he wasn't bedridden at the beginning. At the beginning he was your husband. Didn't need his meds. Took himself off the mood ones (also depressed). Went to counseling but didn't invest himself in it. Quit counseling. Refused to try any recommendations by counselors (keep a journal, talk, go for a walk, etc). Refused any recommendations by doctors (go for a walk, just move) unless his refusal would end his disability benefits.
So he has a nurse come out for physical therapy about once every few years - on orders of the VA and on threat of losing his disability. As soon as it's over in a few weeks, he goes back to slothfulness and glutteny.
Type 2 diabetic. Sugar readings between 300 and 500. Won't change his diet. Stopped taking insulin. Declared himself cured.
Let me look into the crystal ball for you. If he doesn't change, this is what your life will look like:
He will sleep in a hospital bed in your home. You'll need to get up extra early to make his breakfast, and bring it to him in bed. You'll also need to make his lunch and pack it in a little cooler next to his bed.
On a good morning, you'll help him stand and shuffle to the bedroom. He'll be heavier than he is now, because eating without physical activity will lead to extreme weight gain. Your back will constantly hurt, but you won't be allowed to complain, because he's bedridden.
THEN you can turn your attention to getting your kids ready for the day.
On a bad morning you'll need to wipe him and change his sheets.
You'll then go to work.
You'll return in the evening, clean up his mess from eating in bed while watching tv all day. You'll make dinner, serving his in his bed.
He won't be shaving at this point as it's too much effort. He also won't be bathing, brushing his teeth or wiping himself very well. You will resent the "partner" that not only has simply stopped helping with the kids, but refuses to take care of his own needs. YOU will be his mommy, and he will be an infant.
The doctor didn't say get a divorce. The doctor said exercise, eat right, take your meds, go to counseling. He complained that he was stressed. Doctor said try to lessen the stress - just focus on KEEPING YOUR BODY FUNCTIONING. He said he's stressed from all the counseling and the marriage. The doctor said then if that is the cause of all of it, then he needs to protect his health first and foremost.
He reports back to you the doc said to divorce. It was meant to push your buttons so that you'll not complain so loudly as you continue taking care of him.
I don't know how old your kids are, or anything else about your situation. But my first answer is to run. Well - maybe to tell him that you're out of the "babysitting husband" business and if he doesn't start taking care of himself then for the good of you and the kids you're out of there.
And then I'd run. Like a bat out of hell.