Thank you for your question to the forum.
If you can, try not to worry, especially when your BGL's are 9 and 10. When you worry this can affect your BGL's too.
Your diabetes educator is the best person to talk to about your BGL's and they can give you a guide for what to do if your BGL's become too high.
It's great you are thinking about the long term problems that might happen as a result of diabetes, but try not to worry about it, remembering too that complications of diabetes usually happen when BGL's have been very high for a long time.
So have a chat to your educator, who might be able to talk you though what your BGL's should be, why BGL's go up and down and what to do about it when it happens.