1. People
  2. Too many people
  3. I feel like I'm touching other people's germs
  4. When they are late
  5. When the connections don't match up
  6. Having to actually stand up
  7. Being thrown around unnecessarily
  8. Picking a stranger to be your (train) partner
  9. The awkwardness of sitting next to your new (train) partner
  10. Bags that get in the way