1. Every pillow ever kills your neck
    You can't sleep without one, but you also can't find a pillow that doesn't have your neck stuck mid sit-up.
  2. You need more space
    There's no sharing a twin bed, and even a full is pushing the limit. And if both partners sleep on their back, forget about it
  3. You want to spoon, but can't
    Sure, it may start out that way, but then you wake your spouse up getting your arm unstuck so you can fall asleep
  4. You drool when you lay on your side
    Your body doesn't know what to do