Sometimes there’s nothing more fun than plopping down on a couch with your sister and enjoying a good movie. All you need is a bag of popcorn, a lot of soda, and a good sister movie. What could be better than watching Hannah and Her Sisters with your sister (especially if she’s named Hannah), or Little Women (if you’re both short), or Switchblade Sisters (if the two of you have a propensity for knife-related violence), or Three Sisters (if you have more than one). You might even think of buying ...more