I am 43 and feel tired, old and generally unwell most of the time Is this normal ?/quote]
No it isn't normal Nicola despite you have had diabetes for 30 years, as Carol says I would discuss this with your gp.
Your elevated bg levels need to be addressed as this can make you lethargic, I would book an appointment and get them to look at your control and suggest ways on improving things, you say your starting to carb count tomorrow so unsure if you mean you are enrolling on a carb-counting course such as DAFNE or learning yourself, if it's the latter then you may find the following useful:
http://www.bdec-e-learning.com/