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How long have you had it? I don't have an insulin pump, even though it could be handy I've always felt comfortable enough with insulin pens. However sometimes it's a bit too easy to inject a bit too much, but I'm still alive :)

@apsu thanks for asking, I have been type 1 for 13 years, I also used the pen and had that same issue with over and under injecting. it was a crazy roller coaster ride .
I have had the pump for about 3 years now and its amazing. I am able to control my levels a lot easier . no more lows or highs.