Why is it

when you are alone with your child or with people they are with often they are one way and then when they are in crowds or with people not seen often they are another way? Anna is a wonderful fun loving little girl that is silly and as witty as a 2 year old can be. However, this weekend when we met our friends at a festival Anna was all shy and quiet and withdrawn. I just don't get it. When we went to the Greek Festival it took her a little while to get comfortable in the crowd but she eventually did and then she didn't want to leave. So my question really is: is there anything I can do to ease her discomfort around crowds and people we don't see often enough? Many children don't have this problem so I don't know if there is something that I need to do that will help her with this. I don't guess it is really a problem lol. It is good that she doesn't just run off with strangers but...