I've been there too, then we split up and she played well with the other one and became strangers to me, so maybe we realized that the conversation was gone! But I was sad for a few days and let it go, because there are things you can't really force, and then I made other good friends
Take it easy, don't you have some really good friends in elementary school and middle school? I don't know how many of them are still in touch with each other, but I'm not sure if they are. Only the best of the best stay in touch, but that can change.