okay i really need opinions, because once i settle this then its one problem off my chest.

okay so, i have a friend who i dearly love ( as a sister) and she got to know this guy one day through instagram, courtesy of their friends.

and then she describes this guy to me, and the first thing that came to my mind was, " don't date this guy"

why?

firstly, this dude was not over his ex, he kept patching up and breaking up with that particular ex and is still doing so. and from the way my friend described him, he definitely doesn't sound like the type of guy to stick around for long.

not that i really care but this friend of mine takes relationships seriously and she has a really fragile? heart. she went all out to make sure this guy was okay after the last breakup with his ex. she went to his soccer games, spent the whole day doing nothing while waiting for him as he took his driving classes. and so much more i don't even want to put it in here. to me, as a friend towards that guy, it was kinda excessive, but she just dismissed it as something she's willing to do for anyone.

and months later, not surprisingly, i found out from SOMEONE ELSE and not her herself, that she was dating the same guy that was still not over his ex, despite me clearly saying that she shouldn't because this guy will break your heart and you won't be able to take it ( what right did i have to say that? i know its her life but my instincts never fails me). guess wat? she ignores me. FINE , i dropped the matter and just let fate do its thing

3-4 months into their relationship, the guy does exactly as i said and she experiences anxiety attacks during school hours, and she cannot get this guy out of her mind. the little little things he does now and then also like trigger her in a way or another. she blames it on his change in personality but all along, he's been like that tbh.

she asked me for advice, one to which i don't really have the advice to reply with. then she asked for my views on the whole ordeal. so i just verbalised my inner thoughts at that time, which was " i told you so, that this would happen, so don't come complaining to me about your failed relationship" 

yea i was salty about her not listening to me but she asked, and i replied. she only replied me with this " i feel like i shouldn't have told you guys about it ( my clique) because you guys dont understand what it feels like to be in my shoes"

not that i really care, because thats what everybody else in my clique feels tbh, and not as if we are lucky enough to find guys who are willing to date just any girl they come across on the street or online.

our friendship just went downhill after that but i dunno, i felt like i could have come up with a nicer reply to make her feel better but the things she says and her actions contradict each other i don't even know what to believe anymore.

tbh i just don't know whether to feel bad or continue with this current treatment. help?