Should I keep in contact with my ex? Broke up a week ago. We promised to be friends but things are going sour?

I 25M initiated a breakup with my girlfriend (23F) of 5 months last week.


The reason was I never felt appreciated and also she was barely reciprocating in the relationship. I'm sure she loved me a LOT, but she just placed me so low on her priority list. Everything else was more important. Friends, family, work, fun.


When we broke up, I said I needed space and told her to leave me alone for a month. She kept saying noo we can be friends like we promised.

I said ok relunctantly. But she keeps texting me she misses me daily even after I told her to stop. I told her to stop that but she'd do it again the next day. It was messing with my feelings (I was trying to get over her too) so I lashed out at her and we had a huge fight days after we broke up lmao

And tbf I said very, very hurtful stuff to her during that fight. She's hurting very badly, so now it's like I'm the asshole and she expects me to make it up to her and reconcile as friends later on, even though we both know the damage is too deep and it'd be almost impossible to be friends, there's just too much work to be done. I also think we fought and were hurt because we still had strong feelings for each other. For context, while we were dating we promised things would never go sour between us and we'd stay friends even if we broke up.

But now I'm like... should I just think for myself and cut contact for good. I've been through breakups and I know that helps me move on the quickest. I feel like shit that I've hurt her and we ended this way, but to be fair to myself, if she hadn't reached out early on I'd have been fine. Also she reciprocated so little throughout the relationship that I kinda feel like I have to be selfish for once, especially after we've broke up. So who's really at fault here? I think she'd be a good friend IF we manage to reconcile in the future. But is it really worth it?

Updates
11 mo
And if I should cut off contact with her, should I block her? or simply not reply
Should I keep in contact with my ex? Broke up a week ago. We promised to be friends but things are going sour?
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