I’m not complaining. Let me say that right up front. It’s just that I didn’t expect to go from an empty nest to having not one but two college students living with us this summer. I knew that my son would be coming home, of course, and was rejoicing in that news. The unexpected part occurred when one of his best friends from high school asked if she could live with us this summer. (And no, they’re not dating. They really are just friends. No, I don’t have my head in the sand. And no, I’m not giving you a “wink, wink, nod, nod” as I write this. They are truly a testament to the fact...