1. She stayed up too late.
  2. She didn't eat enough protein.
  3. It's a full moon.
  4. Mercury is in retrograde.
  5. She's a vampire, but is disappointed to find out it's the sparkly kind.
  6. Her favorite Ben & Jerry's flavor was retired.
  7. Her cat video didn't go viral.
  8. Selena Gomez keeps taking Justin Bieber back.
  9. She forgot to wear pink on Wednesday.
  10. She's a Changeling. My real daughter is somewhere in Fairyland, not throwing fits about the wrong jeans being given to her.
  11. It's puberty, isn't it?