What you seem to want from your friends is a teacher, not a peer.
I'm going to be pretty harsh here, but because it's necessary: if you go into manga because you want recognition and admiration, you will fail. Manga, though quicker than western styles a lot of the time, still takes months and years of work behind the scenes on your own before you even get the chance of recognition, and even then it's not guaranteed. It's a lonely job and it's easy to get in your head or overwork, so it's important to keep friends whom you share other hobbies with and who love you for you, not your work.
It is also almost 100% guaranteed that you will have at least one "failure" before you have any semblance of success. Your first works are, by definition, going to be a bit naff, but you have to make them to get the practice in to be able to make something better. I started writing at 14, i started making comic pages at 15. I made the first version of my current comic Petrichor in 2020, the current version's first page was made in 2021. My first comic pages were incredibly bad compared to what I'm currently putting out, but I love them because they are what allowed me to make Petrichor today.
For your manga to work, you have to have a fire in you that keeps you wanting to make your manga just for the satisfaction of having made it. Any recognition is extra.
As for teachers, i recommend the good old way of books, as right now social media seems to be unproductive. I personnally used Mark Crilley's manga tutorial books when I started and I can still recommend for people starting out. I know you said you can't read rn because you keep changing the story you want to tell, try separating different things into different stories and then develop the one you like the most right now, and try to make it short. All of it is good practice.
Once you recenter yourself a bit, i can recommend Proko's beginner series in figure drawing and gesture drawing on Youtube, provided you can stay on that specific channel and not read the comments. The videos are made to help people learn. Learning to draw fundamentals is really important in manga and any stylisation.