Tonight, I'm sitting in our sunroom with all the windows open, and I'm thinking about our summer. It was packed with meetings, surgeries, trips, and camps. But it was also packed with people. I loved every minute of youth group this summer. While our house will never be quite perfect enough for guests (I'm my mother's child), students came over almost every week this summer and played yard games and made s'mores. They don't count as guests because they'd probably...