To be honest,
@Gabrielle_Tai , parents will always worry - it's part of the job!
I'm 50, been T1 for 30 years, and I think my parents worry more about it than I do!
Best bet really is to try to reassure them.
Hypos are distressing for both the T1 and for onlookers - it can look pretty traumatising if we're shaking and sweating. But I've told my folks that provided I get enough sugar in me I'll be fine. I'm not suggesting hypos are trivial, far from it, but I think it provides some comfort to parents for them to know that in the vast majority of cases, we're not really talking about a life threatening situation, and it can be sorted with some sweets. It helps to keep it in perspective. I made sure I told my parents that, while hypos aren't much fun, they're not painful, so it's not like I'm writhing around in agony or anything. Not sure if that's true for everyone, but I think it's generally the case.
Maybe tell them that you've been reading about role models like Victor and Eva Saxl. What an amazing couple. They figured out how to make insulin from water buffalo pancreata in Shanghai during World War Two, saving Eva and several hundred other T1s. She then went on to become an advocate for T1s in America at a time when T1 was bizarrely considered "shameful". Again, this is something which puts it in perspective - we just go down to the chemists to get insulin, Eva made her own!
https://www.google.co.uk/url?sa=t&s...MQt9IBCEowBg&usg=AOvVaw0ok0OBVTZ8rQHrAZ3C5-9S
Parents always scour newspapers and latch on to anything suggesting a cure is just around the corner. Yeah, sure, it's just been round the corner for a hundred years now. But that's not a reason to live without hope. I take comfort from the fact that there's a lot of very intelligent scientists around the world working away at not only possible cures, but "half way houses", such as "smart insulin". It's early days but the aim is to make an insulin which switches on and off in response to the amount of glucose, so you just inject and leave it to sort out rising and falling levels without you having to worry too much about carb counting, dosage, hypos etc. Who knows whether this will work, but it can be comforting for parents to know that there are good people trying to make our lives easier.
https://jdrf.org.uk/our-research/about-our-research/treat/smart-insulin/
There's no beating around the bush with complications. There's no guarantees anyone will be complication free, but I try to reassure myself and my parents that, provided I pay attention each day to carb counting, dosage and timing with a view to staying in range most of the time, I can relax about the occasional flyer, and massively improve my chances of avoiding complications. Tell your parents that complications are not inevitable, that you're paying attention to staying in range, and that there are some pretty effective medical practices available nowadays to keep an eye on, erm, eyes if things start going wrong.
There's also a good book about the discovery of insulin, google Breakthrough.. by Thea Cooper. She had access to original research papers, but it's not just about the science, it goes into the personalities, the politics, and human stories of some of the first to be treated. It brings home how, while we're not lucky to be T1, we are definitely lucky to be T1 now, not pre-discovery. You might like the quotes in it from a letter by Elizabeth Hughes, one of the first to be treated after almost dying on a starvation diet, that she was now going to be, "captain of her own ship" and deal with injections herself. Let your parents know you're the captain here, and you're learning how to steer it.
Can pretty much guarantee, though, you can tell them all this, and they'll still worry!
PS: Elizabeth died aged 74, Eva died at 81, unrelated to T1. That home made stuff didn't do her any harm!