Hi! I believe I can be of help with this issue.
First, let me say I can imagine how frustrating this situation must be for you. You know the self imposed dangers that Kayla is putting on herself. And this is probably part of the dynamic for her: she's mad at the world, mad at G-d, mad at her parents for her genes and so we'll show them! That this is hurting herself more than anyone else is not what adolescents see in their brains. So telling her these things will not help. But what will help?
I'm going to tell you something that has a good chance of helping in a short period of time. Therapy will be hit or miss at this stage because she is resistant and not every therapist can handle a resistant teenager. That you're a nurse will help with this:
You have to find some older people in the range of 30s through 70s who have diabetes 1. The sicker the better. People who have been to the ER multiple times are the best. People who've had amputations of lower limbs are the best for her. You're looking for people wit the goriest stories to tell. You need to take her to meet these people and talk with them. If you could take her to the morgue to see a diabetic who died, that would be important too. But not practical, I know.
You are not going to win the argument war with her. I have a feeling you might have dismissed my suggestion as being theatrical. That's right. You've got a daughter who's so angry at her plight, I'm meeting her on her own field of play. I've only treated one kid with diabetes 1. But I've treated lots of teens because I work with a boarding high school locally. This kid was not as angry. But I know from angry teens that if I don't play it in a language they can understand, whatever their problem is, the solution isn't going to get through. And Kayla is angry enough that this is pretty much what you have to do to get it through to her.
So please consider it seriously. It can change her life.
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