Do I need to mind my business or am I being a good friend?

Well my friend lately has just been opening up her legs to any and everybody and she got out of a break up of 5 years a few months ago which is very understandable but this it not the way to go about it I understand she’s hurting but as her best friend I know her worth and I know she’s better than this and she’s too good for these guys she’s hooking up with at the bars the only thing that is making me upset is that she complains to me every single day that the guys she’s having sex with don’t text her back and she’s tired of men and that they ain’t shit and then the next day she got another one In her bed and she complains about the UTI’s she keeps getting and that it hurts and that it’s so painful and she can’t bare it and all this other bullshit and she wants to make her mom proud and today she just agreed to a guy on tinder to be friends with benefits to help him get back at his ex and then tonight she just had sex without a condom with some dude she’s not even with and that doesn’t give a fuck about her and she says I’m just having fun but like I’m not saying she can’t have fun but this is not the way to go about it at all. Should I just let her do her thing and worry about myself or should I continue to be there for her?