Questions: Relationships

Brad & I started long-distance dating through an online app in Nov 2023. We met in person in Feb. I managed to move closer to his city because of school from March-June, so once I came, we began living together & he proposed to me in May. A school situation happened where I got dismissed, so my sister came to move me back home in June. My family didn't like him during his visit since he was focused on taking me back to his home & not caring about my mom needing me/my school situation. I decided to stay with family & Brad disliked that since he hoped I'd leave that day. He left & gave me a hard time about my decision since then. My mom said she planned a Sept party where I could move back in with him more honorably than if I had just left. Brad didn't want to do it, but I did. We waited until Sept & then I found out my mom lied. I fought with her, she apologized, & now booked the venue in Nov by showing me confirmation. She told his parents so they could see if she would keep her word. Brad distrusts her & said if I didn't leave my home by the end of the month, then he'd end the relationship. I told him if my mom started to do anything fishy before Nov, I'd leave, but it didn't make sense to end the relationship over this, especially since I planned to visit. He sent me a goodbye/breakup texts the past week & fighting with me about this party. I told him that if he meant what he said about ending things, then he needs to stop communicating with me unless he decides that he's willing to do the party for my sake in Nov. He said he didn't want to wait that long, but I don't know if he'll change his mind. I texted him a couple of texts since me saying "don't talk to me", but he hasn't responded. I saw him following another girl on social media too, reached out to her, but she didn't respond to me. Do you think he's taking time to think & will reply soon? Or do you think he'll leave me? Why did he still text me even though he claims he ended things a long time ago?