<human>: So me and my GF haven't been in a relationship for very long, however we've both been saying that it feels like we've been together for a while, to due the fact we've both liked and flirted with each-other for the past year-or-so.

She has this friend, we'll call him Dave, whom she sees every year-or-so (he lives fairly far away) - however, this time it's a little different. Last year when she went over (we were not dating at this point), this guy hit on her and asked her out. She politely declined and he accepted that.

It's the time of year again whereby she usually visits Dave, however this time he's invited her to stay with him for a *week*. **Alone**.

I've talked to her about this, and why I feel uncomfortable about it (the history they've had, how it's for a week and they'll be alone together) - however she maintains that it's all fine and that he's a respectable and trustworthy person. I've even mentioned that my parents split up because my mother cheated on my father, and because of that I have a massive fear of this sort of stuff, but she seems adamant that he will respect the fact that she's with me.

Apparently a week ago she told him about me and he invited me too - however I've only just found out about this today after a long conversation with her, and she seemed very hesitant to tell me that he had done so.

Side-note: She asked me if I feel uncomfortable that she talks to him. I said no (because I don't) - and that it was simply the fact that she's accepted to go round to his house alone for a week. She also asked me "How can I make you feel okay about this that doesn't involve me not going?" - I told her that *was* the issue, but she didn't like that.

Am I simply over-reacting? I fear this may be the case but I can't get this off my mind - please help!

Can you give me a shortened version of the text?
<bot>: Girlfriend is staying over at a guy's house alone for a week. This guy hit on her last time she went round and I'm very uncomfortable with the situation.