how to talk to your girlfriend about problems you are having with her?

[vsdvsxv]

i love my girlfriend a lot and well the thing is she is in college and likes to party. well she tell me shes a player and she don't want to get tied down and thinks she never would. we been going out about 2 months.well she also tells me that she gets guys # and flirts with them like on aim n txt msg. well the thing is what should i do i really like her and i dont know how to ask or talk to her about it