I have nobody to ask advice so I’ll appreciate it if you guys can help?

I was talking to this guy and he started just acting weird I guess because my bestfriend is home from jail and they aren’t friends anymore but that have nothing to do with me. He ended up saying he couldn’t trust me because of how close we are and tell each other stuff. I tried to talk it out with him but he wasn’t having it so I felt like he also had someone else now. He ended up blocking me on Facebook and on his phn but than changed his number after contacting me and telling me how he felt about not trusting me and having to move on from me. So I left things as that cause I mean I was blocked everywhere. A month later a number end up calling me I didn’t know who it was I answered and it was him he called me from his new number which is crazy to me because why do all of that change it and everything cause of me than call me on the new one a month later. I was working when he called I told him I’ll call him back when I tried to call him back I noticed he blocked me on the new number too. So I was so confused I texted him from a text-free Apple told him to unblock me I don’t normally do this and he ended up unblocking me asking me about stuff like how my son doing if he’s still in school how I’m feeling and what I’ve been up to. But the next day we was texting in the morning he wrote back twice than stopped replying for hours. So I texted him again upset about him not replying for 6 hours he than tried calling me I didn’t answer I texted him again about something he replied than stopped again so I felt like it was someone there so I told him I’m leaving him alone he’s weird and blocked him. Like why did he come back in the first place? I don’t get it he keeps blocking me but comin back contacting me.
I have nobody to ask advice so I’ll appreciate it if you guys can help?
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