When I was brainstorming possible Nudges, I made a list of activities I loved doing as a child, and I highlighted some I hadn't done in a long time. I remembered dashing out to the blacktop for recess to jump rope with a bunch of pals--so fun! Have I still got the skills? You might pull out an old game, bake a favorite treat, or dress up in all the colors of the rainbow. Wear a funny h[...]