<human>: I am 31, my girlfriend is 21. We have been dating for around 4 months and already live together. When we are together, we have so much fun. And we never fight. We tell each other that we love each other every day, and I honestly believe that we both do. But I have a hard time trusting her because of how naturally flirtatious she is, and because we met only a month before we started dating. She has friends from her past that live on the other side of the country that she talks to all the time. Shes a very sexual person and has had casual sexual relationships in the past. 

My problem is that she still speaks to at least one of these guys. And she is the one who has initiated the conversations. And the problem I have with confronting her about this, is that I found all this out by reading some of her texts. She has only done this twice, and both times she was very drunk, but it still bothers me. 

I would normally be very frank with her, and just ask her about her intentions and tell her how I feel, but the manner in which I acquired this information makes this a problem. I feel like I need to. We move from Hawaii to Florida in november, and i dont want her to come with me if this is going to continue to be a problem. But I love her. 

Should I talk to her about this?

And if she tells me she'll stop, should i trust her?

Summarize the given text in a few sentences.
<bot>: Girlfriend texting previous partner, want to confront girlfriend. Concerned because I read this in her texts. Should I confront her?