Hi Tracey
I can understand how its feel, but I can tell you surely, the more you think about it the worse you feel. Just remember one thing, that this is with you forever now, so rather worrying about it and getting low, ignore it. alter your diet and take whatever med is given. But I am sure, negative thoughts are worse than high or low BG.
I was feeling same few weeks ago when diagnosed, but don't really bother now, keeping it under control as much as I can, but not going to let it rule my life at all.
Best cure for disease I have found is family and friends... trust me.. spend more time with them and you will forget diabetes.
ahsan