Guy's Behavior

If He's Annoyed by me an doesn't have an emotional attachment to me and doesn't have a crush on my like I have a crush on him why is he still talking?

So my ex who's also my friend he was having some issues and he was crying from saying rude things to me. He stopped talking to me for a few days he unfriended me on Snapchat. And this other guy I was talking to that's friends with my ex He did something that made no sense to me. I asked him if he doesn't have an emotional attachment because I have a crush on him but he doesn't have one on me if I annoy him why did he choose to stay and keep talking to me. He said that we could still talk and stuff and there's nothing wrong with having people to talk to. Then I asked him if he wanted to stay and talk to me and he said he doesn't know. And when I finally got ahold of my ex on his other social media he calmed down and we talked it out. And he told me that the other guy said he was happy that my excame back to talk to me so I'll be distracted abit from talking to him. And I asked my ex why is the other guy staying he's not obligated too. The guy makes it sound like he has no choice but to stay and that he's only allowed to be free from me and certain times. Even though we talk every day and he always answers me right away or a few hours later but he never leaves me on read he always answers. Or sometimes he contacts me if I haven't spoken to him in like 2 days. He makes it sound like he lives with me and I drive him crazy and the only time he doesn't get to put up with me is if he's not there and I'm talking to me friend a lot but that he has to come back home and deal with me. Like he has to stay. No one is forcing him to do anything. Why is he staying on Snapchat and acting like he can't leave but is annoyed by me? I just want to understand his mind, not what I should do about it.
If He's Annoyed by me an doesn't have an emotional attachment to me and doesn't have a crush on my like I have a crush on him why is he still talking?
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