Nadine - don't get discouraged! You're in good hands here at FDMB.
As the wise ladies here told me, it's the Sugar Dance. It can be soooo frustrating on a daily basis, but keep up the good work and tibbs will respond. He will. :YMHUG: One day, you'll be able to look back over his spreadsheet and see just how far he has come. In the meantime, look for other positive signs as well ... is he more active, is he playing more, drinking less, peeing less, etc.
And, you're exactly right ... Mel's explanations ARE great. Don't know what I would have done without her and the rest of the Relaxed Lantus group.