Hi
What a complination to deal with...
You say that you have LADA diabetes (slow onset) I'm suprised that they haven't suggested a quick acting insulin to deal with food...
You do need to tackle the underactive thyroid, as a underactive thyroid will effect the blood sugars and make them more difficult to control, also it can cause symptoms of depression which again could have a impact on how you deal with the day to day control.. If you can get this sorted then hopefully the rest will be easier to manage.
It seems that the hospital is going to try there best to support you with extra DSN appointments, if I was you I would try to concertrate on one day at a time as this will be easier than trying to cope with looking at it as a whole future thing...
Take care ask the question you need, and on bad days post for encourage etc..
Take care