Hello,
That about sums up where im at as well, 23 years without bothering at all and now at that point where I know I've gotta sort myself out. Looking at your profile you must of been around same age as me when you got type 1 (17) don't think theres ever a good age to get it but at that point of your life for me at least is when all around you are out getting drunk and doing pretty much what you like, I didn't have the knowledge to know how to look after myself back then and that's been pretty much the story of my life until very recently, I basically took my insulin without knowing why and what I was doing, i'd have hypo's and just deal with them but most of the time my bloods must've been very high. I had the odd periods where i'd start to take note and tried to get to grips but was just caught up in being as normal as possible just to fit in with everyone else, in fact I dare say most around me barring my close mates and family didn't even know I was diabetic.
So here we both are and im pretty sure many, many others too who have followed a similar past, its not gone away but time to start getting things in order again....You're very right, its never too late, so your not alone i'm gonna be doing the same thing myself. Not gonna say it'll be a doddle because I know only too well how flipping hard it can be at the best of times but I wish you well and if you wanna keep in touch and share a few stories or how your getting on please feel free.....
All the very best,
Steve