He broke up with me but we still talk like lovers. It's been 1 year. What should I do now?

I've been in a long-distance online relationship for four years. We've been talking for four years, but due to some issues on both our sides, we haven't met in person yet. im a very empathetic person, but the person I am with generally doesn't show empathy. I always have to take a back seat, but he doesn't try to understand my feelings. Also, in some situations, he is rude and hurtful, and even tries to silence me. He says 'forget about it' or 'let's talk about something else.' We’ve had a long-distance relationship for four years (two years in a flirtatious way, but the last two years seriously), and we were thinking about getting married in the future. But last year, he broke up with me, yet we still continue to talk in the same way. He still says he loves me, and we usually chat for an hour every day before going to sleep, saying good morning and good night to each other. But he still doesn’t want to be my boyfriend again, doesn’t want a relationship. I am afraid I will completely lose him, that he will block me and stop talking, so I don't say much. I’m in a very desperate situation. He hasn't come back yet, and we don’t have a shared future goal, although he had said in the past that he would marry me someday. He knows that I love him and want to marry him in the future. The reason for our breakup was that he said he never wanted children, and that he couldn't give me the attention I needed, etc. When I try to talk about this, he usually tries to shut down the conversation and avoid it. Or, if there's a problem, he brings up other topics to ignore the issues. When I try to talk calmly, sometimes he doesn’t want to talk at all. What should I do? How can I save my relationship? A few times, he has said 'we're just friends' in different months. He hasn’t always said this, but he has said it a few times, and I’ve been very upset and cried a lot. I suspect he is a narcissist because he doesn't care about hurting me and doesn't care about apologize.
He broke up with me but we still talk like lovers. It's been 1 year. What should I do now?
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