Our social calendars are one of the most challenging parts of both losing weight and maintaining a healthy weight. So many of our leisure activities are centered on food -- especially eating out or sharing large, calorie-rich family meals. It's an easy default to meet friends for dinner and drinks, but Nashville actually is bustling with festivals and other activities that aren't food-centric. And many are free! Here's a round-up of some events taking place in our city this m