Your question has been cut off, perhaps you can come back to complete it.
Details that would be needed, your ages, any level of care you both may need, where you are going to move to , closer to health care amenities or further away?
Your profile says wife has mobility problems. I guess your need to move to somewhere easier to get around. If your wife is all for it, its not any of her children's business. You are her husband. What they want doesn't matter. Just do it.
Details that would be needed, your ages, any level of care you both may need, where you are going to move to , closer to health care amenities or further away?
Why are the kids opposed?