My DD is 6 and in Yr 2. She has a best friend. This friend also calls DD her best friend. So far, so good. The problem is DD has never been invited to this girl's house (or even inside it). She has been to ours several times and seems to enjoy it. The other girl often has others to play after school so it's not that she doesn't 'do' playdates. It's become a big issue for DD - why am I never invited/why can't I go to X's house? What do I say? I wonder the same thing myself. Would it be too weird to ask the parents why DD is never invited? At least if I did, I'd have something to say when she asks!