For more than two years now, every Monday morning, I’ve posted a photo on my Facebook Page of the books I finished during the week, with the tag #GretchenRubinReads.  I get a big kick out of this weekly habit—it’s a way to shine a spotlight on all the terrific books that I’ve read. As I write about in my book Better Than Before, for most of my life, my habit was to finish any book that I started. Finally, I realized that…