Halloween shows up again exactly 3 days from today. A holiday enjoyed by young and old alike, it is a great excuse to spend time with your kids, indulge your chocolate and sugar jones, or dress up like Freddy Krueger, Dracula, Nikki Minaj, or Mitt Romney, depending on just how scary you want to be. Here then, are some Halloween diversions, costume tips, and things to do leading up to this week’s celebration of witches, goblins, diabetes, and the undead.