Letting go off my fiance?

Me and my fiance got in a fight the first of this month. He asked me to leave his house. He says a lot of harmful comments to me when he is angry. This time I wanted to teach him a lesson, so I actually left. We then exchanged text messages. He is very insulting and looks for ways to demean and bring me down. So this time I decided to do the same and went low with him as well. I guess he is offended by the things I said to him because he said just because he insults me doesn’t mean I should insult him as well. I have tried to see if we can walk through things. He said he can never forgive me or love me. So many things were said. I was even agreeing to whatever he said so there would be peace but he kept shouting and milking me trying to make things work. He hasn’t even reached out to me or try fighting for our relationship. I called today, he didn’t answer me. Does this mean he is truly done. Should I just let go? I Reached out to his family, they say they don’t wanna involve themselves.
Letting go off my fiance?
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