1. astronomy
  2. astrology
  3. old cars
  4. hiking
  5. One Direction
  6. music other than showtunes
  7. the types of books "adults" read for fun
  8. comic books
  9. pets other than dogs and cats
  10. tattoos
  11. all those vast canons like Middle Earth and Star Wars and the even more niche ones
  12. tap dancing
  13. tea that's not blueberry, rasberry, oolong, or english breakfast
  14. how stuff works in other countries
  15. how you've done your hair
  16. like, wolves and foxes and coyotes and cool animals like that