this goes with a part of my first post.

Me(16F), and my now ex "T" (16M) were dating for 4 months before I broke up with him. I was stressed out about a lot, and I personally wasn't ready to be in a relationship, and it was his first relationship, while it was my fourth(Im bisexual, so I've dated 2 girls and 2 boys). I've taken everything I've personally done wrong in my last relationships to try to make this relationship a actually good one. But it didn't work out. The bottom line was, it lacked communication on his end, partially my fault as well, I'm willing to admit that. Honestly it was kinda doomed from the start. In the past he asked me out because it was either a joke or a dare, which I didn't think much of, because I was in a relationship at that time, and I did til my then partner about the situation. And then when he asked me out for real(I was single then), I said yes, because I've known him for a while and I did like him. Everything started great, everything was fine, it was one of my best relationships. Before everything went down hill when I realized he started to cut and never talked to me about what was going on, but he told our mutual friends "L" (16F) and "K" (16F) what was going on. I was hurt, but if he didn't want to tell me straight after I understood(he told me after he told K and L). I had him promise to try not to hurt himself and to talk to me about what was going on, so he wouldn't have to resort to hurt himself. And then after everything was fine, but I shouldn't have been so stupid. He did it again and didn't even try to talk to me. And then lied when I caught him picking at his scabs from the last ones. Again I was hurt, but I kept trying to communicate with him, after three months(according to my friends as I'm shit at dates), he became more distant, he didn't only not talk to me about his feelings, he became more touchy with L and K, and acted completely different with them. Like he was dating them and not me. And then so I confronted him, he then proceeded to say "You act like you love K and not me, you disregard my feelings." Which hurt so bad, and so I decided to just drop it. And then at the end of the fourth month I was just done. I wrote a note to break up with him, I know not a good move, but if I were to have done it in person I know I would have just cried and not go through with it and have been stuck. A note was the only way I would have been able to do it. So I wrote a note, clearly stating I was done, I gave my reasons.... Apparently that didn't go through to him as then he texted me saying "Im breaking up with you". Which okay then, I said I was done...but apparently he wanted the last say so I just gave the last say too him as I didn't want to fight with him over it. Almost right after that he gave his hoodie to L(which he never gave to me at all, which sparked some jealousy as I still loved him, I didn't break up with him because I didnt love him, I broke up with him because I was stressed and because I was hurt). And there's a whole lot of other things that are still happening, because hes also gotten very bold with his touch on K when she passes out(she suffers with a disorder that makes her pass out). And I've been getting a sinking gut feeling that he's gonna do something to her, which I wish I didn't have as I still love him and I don't want K to get hurt