Is it normal that your gf kiss a friend mouth to mouth?
I've a GF and after we dated for almost one month, she went to see one of her foreign friends in a 5 star hotel(still have no idea what happened on that night). And after that, when I kissed her again, she just told me she didn't have the right feeling about it. And then she told me her foreign friend kissed her mouth to mouth which known in Skype. If it's normal that your GF did that and let you know it.
BTW: GF is a Chinese girl who loved western culture very much but not in deep and her dream is to marry with a white guy.