A disaster looms for the Good Ship Health. On the map ahead, the shoals are marked Holiday Gathering, Christmas Dinner, Feast of the Seven Fishes, New Year’s Eve and the particularly insidious triplets Secret Santa, Sing-along and Just Another Small One. Navigating the Thanksgiving dinner buffet was calm waters compared to what’s on the horizon. You’ll hear that the best ways to keep weight off and your head on are to “not” do things.