Favorite Answer:I'm type 2 diabetic also, and in my late 50s. I had the Pfizer vaccine about a month ago. My arm was a little sore, and I was a bit achy the next day, which may or may not have been related to the vaccine. My wife had her second dose a week or so ago, similarly, she had a sore arm, and was a bit lethargic the next day.
It was offered through where I work. I talked to a lot of people who got it, and the only trend I noticed was women seemed to have more side effects than men. The worst was a woman who had a fever a bit over 103, but it cleared up within 24 hours.
I suspect everything will go fine for you. Don't worry, just appreciate the fact that you are able to get it.