I had a girlfriend like this and it about drove me up the wall. According to her we always had to be together. Its like we were dating or something. We are no longer friends now. On a happy note I feel like I have several close friends. They were all my bridesmaids and I had 7. I could tell you all the stuff about them that close, personal friends share. My maid of honor is still my best friend behind my husband. So I think it is possible to have several friends and be pretty close to them all