TW: Ed. 4 years friendless, wasted my teen years. Should i reach my old group?

So, it’s 2021 — my first year of high school. I make a group of six friends, and somehow I end up being the “leader.” (I don’t even know why; they just kind of followed me around, and a few of them acted like mini versions of me. Weird, I know.) For a year, everything seemed fine — at least on the surface. Even though, deep down, I was starting to not vibe with them anymore. Their idea of a “fun night” was getting drunk, smoking 🍃, and just lying around wasted, while mine was blasting Lady Gaga or Britney, dancing, and singing. Totally different energies. Anyway, I didn’t pass that year. Which meant: new classmates. By that point, I was already struggling with my mental health — anxiety, an eating disorder I was trying to ignore, no energy left to start everything over again. Eventually, I just cracked. My anxiety skyrocketed, my ED got way worse, and I couldn’t eat, sleep, or study. (my weight was 72lbs at the time ! i’m 88lbs x 5.3 now) And my so-called “friends”? Especially the one I called my best friend? They couldn’t have been more insensitive about it. they were “bored” about this situation, MY SAME BEST FRIEND tried to outcast me, The irony is that my new classmates turned out to be the opposite — genuinely funny, caring, and loyal. They actually listened and looked out for me. But, one day i was at home (my mom seeing i didn’t had energy for nothing kept me at home), and one of my new friend of the new class send me an audio: Was My best friend, with the others mocking me. Mocking my Ed, mocking my anxiety. I was like “i’m done with people” i quitted school, deactivate my instagram, tik tok, twitter AND whatsapp. I had tons tons of messages but i’ve never replied to one single of them, i was tired and betrayed. Disappear was the only way to protect myself. now, 4 years later, 4 years of therapy. i’ve been through a lot these years ngl… i’m feeling better, im more stable, i eat like i should, my therapist is amazing. And, the only thing im starting to miss having friends. I’ve tried so many times to go for a stroll at the mall but nobody ever approach me, i was used to make friend at school but, since i don’t go anymore school… (im 19 now) . Should i reach the “new classmates” people again? they were nothing but nice to me… i’ve met one of them 2 weeks ago and she was so happy to see me again, one of them even said happy birthday to me this year, (they prob this even the other years but… yk ) So what should i do? The only problem is: They are kinda connected to the bad ones. They prob still hand out together, they prob still have the same boring habits. idk…it’s kinda the boredom that makes me thing all of this . Feels very bad being 19 and having nobody to do shit with. i’ve wasted my teen years in NOTHING. in anxiety and mental health places. Fuck people i hate people sometimes