Ok, it was not like we lost the contact over years, still were "friends" on FB but my ex-fwb contacted me kinda out of nowhere to meet up because he is soon coming by where I live. I was like ok, but just as friends without any benefits cuz I am in a serious relationship rn. He was like, yeah sure, I have a gf too but proceeded to talk about how good our time together was and how he missed the sex with me but I cut him down immediately and said that it's really disrespectful towards our partners to be having such talks behind their backs and is borderline cheating and I just don't see the point in talking about this stuff without the intention of repeating/engaging in the stuff and if he plans on hooking up with me, I will have to disappoint him and it's gonna be just a friendly meeting at a coffee shop. He backtracked and was like, yeah I didn't wanna to hook up again, just chat but I never heard from him ever again lmao