IMHO, your family is reacting out of fear. Fear of the unknown.
Like others have said, I wouldn't base how I felt on this one conversation. Some folks just talk a lot......feel the need to let everyone know exactly what they're feeling at any given moment.

And others seem to think that everyone else's life revolves around theirs. Double


.
If any of their speeches require a reply I would just explain that it's YOU that has this disease and whether they like it or not or agree with your course of action it is what it is. They can either get on board or stay behind.
I'm praying for you, KittyLady. I cannot fathom having to "qualify" myself to anyone.....let alone family.