He ended up texting me a few hours later and we argued some, he said how it was hard for him to open up in person blah blah blah. I understood this but was a simple "I don't want to talk about it" really that hard for him to tell me? He apologized but it was more like "I'm sorry that I'm not good enough, I'm sorry I'm such a terrible person, you deserve better" like kind of guilt trippy and less about the fact that he hurt me. I ended things with him shortly after and offered to be friends after we gave each other space. So now we're just not talking or texting or doing anything and keeping space.
The thing is I'm MISERABLE. When I got home after him and I argued, I cried, I went to bed and as soon as I woke up and remembered what happened I started sobbing. The entire day I spent sobbing and then (he's my coworker YAY

I just really don't know, I thought I didn't like him romantically but I guess I was wrong?? Any reply or tips on how to get over this would help. I don't even know if I'm in the right in this or not, I think I am but my coworkers say I'm not and that I should've talked it out but I did and he didn't reply??? I don't know.