I think my friends don't care about me

So I was talking to this one polyamorous guy but we had been friends before we started talking romantically. Anyway one day he has a mental breakdown and he says he can't do polyamory rn (for reasons I won't get into but I think they're valid) and I was like that's fine. But now it just feels like we can't talk to each other. I am either terrified that I won't be able to talk to him cause I will be too upset or I am terrified he won't talk to me because he hates me. We used to talk nonstop everyday but now we haven't talked for three days. And I don't know if it's me or him, or maybe I am just losing it. But all I want to do is talk to him. I am always checking his socials just trying to see if he's online and wondering if he will or why won't he text me. Anytime we do talk, it's always like a two sentence exchange. Maybe it's him, maybe he needs space, but everytime I see him (we go to college together) he seems to be happier, everytime he posts on twitter he seems happier, I don't know. I just want him to like me. I want to talk to him. I am scared I have to stop talking to him completely, because in the past I have never gotten over someone unless someone else comes in and takes their place so it isn't like we can take a break and then I come back and everything's good. It would likely take a long time, and it's only been like 4 months since we started talking 😭 (I am so cooked). I don't know why I am like this. I wish I could be normal about him/other people. I don't know if I am just in an OCD spiral or not, but I just want it to be over. Sorry for the rambling, but if anyone has any advice I will consider it.

i'm chatting with this person on discord. i don't know why i think that way, but i started questioning whether they secretly hate me or will judge me in some way. i always expect people to leave me and i'll be all alone. it's scary them not responding to my messages sometimes also fuels that fear. i know they're busy or get distracted sometimes, which isn't their fault at all, but my brain won't stop making worse case scenario and therefore i'm constantly checking when they'll reply to me. they have proved multiple times to me that they're a good person, that they like me and that i have nothing to worry about, yet i can't stop ruminating on the hypotheticals i made before starting to talk to them on a more personal level. i feel like i'm going crazy. my only salvation is random distractions and heart meds.

the past month ive been ruminating about a time last year where i hurt a friend by unintentionally bringing up a traumatic memory when i was really drunk, enough that i didnt remember it, so i went 6 months without apologizing until i was worried when they werent talking to me anymore. so they told me when i finally tried to talk to them. i apologized and they told me we were ok now, and still want me in their life, but now they stopped talking to me again and its been 3 weeks, and im terrified that i did something again, especially since they stopped talking to me when i made a mistake before, and wont tell me outright. the event triggered horrible horrible guilt over what i did, mostly guilt About the guilt i was feeling, because its not a normal amount of guilt for a regular person, and eventually my compulsions for confessing and ruminating reached a high point. and when they stopped talking to me again they got even worse . they are aware i suffer from ocd and anxiety to an extent (we've been friends since we were teenagers) so its hard for me to believe they wouldn't do this unless i did something wrong again, especially due to the events of my past mistake. lately ive been wondering, 'have they found out my abnormal reaction to what happened ?' 'did a friend who knows about it tell them?' ive been avoiding asking them if i did something wrong again, because i dont want to make it a habit since i can fall very deeply into that hole of asking for reassurance and i feel even regular reassurance, without the ocd, im the last person who deserves that right now. im scared they somehow found out about my compulsions (which isnt entirely irrational) and i feel the need to apologize to them again. ive been having panic attacks about this. i feel like no matter what i do i cant fix our friendship, and its going to end badly. i feel like a terrible friend, and im too mentally ill to have friendships. i don't know what to do.