Loneliness Support Group
Loneliness is an emotional state in which a person experiences a powerful feeling of emptiness and isolation. Loneliness is more than the feeling of wanting company or wanting to do something with another person. Loneliness is a feeling of being cut off, disconnected and alienated from other people. The lonely person may find it difficult or even impossible to have any...
If what you feel is jealousy, then cut it out. It's not your place to feel jealous about a girls that you just met a week ago and isn't even your girlfriend. Acting up negatively will scare the hell out of her, reducing the chance of getting to know her better.
Let it go, if she's the girl for you, she will be regardless of the anxiety that information may create for you. Relax, enjoy her company, and more important, make sure that she enjoys your. The last thing any girl wants is hanging out with a guy who becomes a jerk the second she discloses something about her that you don't like.
She's either trying to make you jealous by telling you about this other guy, or she has trouble committing to one person and wants you to be ok with that. Even people who have not yet hit that exclusive point in their relationships don't go around telling each other about their hookups.
I would definitely feel some type of way about this situation. The mature, grown up thing would have been for her to keep it too herself or keep it in her pants.