Originally Posted by
FlyingJesus
Don't tell her it'll all work out with the guy if it's not going to. You said that you're fairly good friends with him, I'd suggest talking to him not accusingly just having a general man chat and see what you can gather - if he doesn't seem interested any more then there's no point in telling your friend to stay with him or she'll end up even more hurt, but if he does seem to genuinely care about her and it becomes apparent that she's been looking too much into something that isn't actually happening (how, for example, does she know he's been flirting around if she wasn't at school?) then by all means let her know so she can try to work it out with the guy.