Halloween is customarily seen as a holiday for kids to dress in costume, go trick-or-treating, eat candy, and have fun – who’s to say that us adults can’t do that either? For singles and couples of any age, Halloween is one of the most fun holidays of the year because it gives you a good excuse to come out of your shell (even if it’s just for one day), be in a costume, and pretend to be someone else. From …