Sigh. It’s that time of year again. My house has been wide open since the middle of June and in the last week it’s become clear that it’s time to close the windows and, double sigh, turn the heat on again. It’s time to come inside. It’s cold out there — in the low 40s at night, and we’ve had rain so it’s damp. No more sitting in the backyard under the Coleman lantern reading novels into the night. Even with the firepit going, it’s just too cold, and too damp, and unpleasant. Part of me loves this back-to-school feeling.…