A few weeks ago I was taking an early morning walk. As I walked down the street, I noticed dark, ominous clouds ahead of me. It was windy. I found myself reflecting that it was going to be a gloomy day. It looked like the darkness wouldn’t end. “Just one of those days,” I grumbled to myself. Isn’t it strange how one day can be bright and warm, infused with the scent of spring and possibility, and the next day just, yuck? I…