Girlfriend told me her past after I said that I didn't want to talk about exes or sex history, how can I get over it?

We have been going out for 6 months but I mentioned in the beginning that I don't want to talk about exes or hear about them or sexual history, she said okay but I guess she couldn't hold it in and told me stuff about her sexual history etc, now I can't get over it and I keep thinking about it and am insecure, in a virgin and she doesn't want to have sex right away but she told me this stuff and now I don't know how I can look at her the same way, how do I get over this?
Girlfriend told me her past after I said that I didn't want to talk about exes or sex history, how can I get over it?
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