In my opinion, she's way too much of a "Princess" to make it with this guy. She's going to crash, and come running back to you at some point.
Unfortunately, I don't think there's much you can do right now, other than let her crash. I do think that if she EVER wants to come back, you're going to have a ton of fallout to deal with from how wide the exposure was. Like maybe setting up your home together in another town or something.
