Good to know you momtopands. I'm in my 40's as well. I've yo-yo'd through life and getting really tired of it too.
You can do this... Sure it's nice to go to those meetings and feel apart of a community of people facing the same struggles, but this is the same, and it wont cost you anything.
I managed to lose all my weight on my own, but once I got there, I didn't think I still needed to come here... What would I say, right? But that was my mistake, and now I've gained it back. A person still needs the community from where they gained their inspiration and motivation from, if only to remind themselves that it's important to stay focused on why you did all the hard work in the first place. To stay on the right path.
This is a great start. Good luck to you in your journey