I'm confused, what exactly is the issue here?
Now I found out my fuckbuddy which I'm totally head over heals for is super flirtatious with a guy ( which I found out on our first date , slept with my recent ex) I had a few dates with in the past weeks to try to forget the fb. Liking all his profile pics, sending kisses and woofs on each pic.
Well, he's a fuckbuddy, not a boyfriend. You can't blame him for not realizing you have feelings towards him. In general if someone's having casual sex with someone else, that doesn't mean they're prohibited from flirting with other guys.
It's like there's no more challenge, we're all numbers.
(A) I don't see why any of this should be viewed as a "challenge". (B) I also don't see anything in what you've said about dehumanizing people or just treating them as numbers.
It's just making things less special and taking away all the fun when u meet a guy, knowing that he probably fucked your ex last week and dated your fuckbuddy last month and flirting with your current crush on grindr .
Okay that's a fair point to be frustrated if you for whatever reasons think sex should be special and reserved for a certain kind of relationship and your partners have different views on sex. But in his mind you're fuckbuddies, you're not exclusive, and there's no feelings between you. You can't blame him for having sex with other people if he's a fuckbuddy instead of a monogamous boyfriend.
But the issue for you doesn't seem to be the fact that they enjoy casual sex, but rather that they've had casual sex with someone you know.
You're on grindr, you have fuckbuddies, you're dating -- and that's fine. But it seems a bit hypocritical to be upset with people for having casual sex when you seem to be doing just the same.
I mean:
u meet a guy, knowing that he probably fucked your ex last week and dated your fuckbuddy last month and flirting with your current crush on grindr .
From his perspective that exact same scenario would be:
I met a guy, but small world, it turns out he also used to date the guy I hooked up with last week! And not only that I found out he's fuckbuddies with this other guy I dated last month! And not only that but he and I are about to hook up with the same guy on grindr.
If the "crime" is getting too involved with too many people, then you're doing the exact same thing as everyone else.