1. Talking to people you've shared a class or worked with for years.
2. "So, how do you two know each other?"
3. Putting something down anywhere for just one second.
4. Walking into a room to do something.
5. Parties.
6. Putting something in a safe place.
7. Texting people back.
8. Telling jokes.
9. Continuing a conversation after you've been interrupted.
10. Leaving the house, ever.
11. Being asked to remember any passwords or pins.
12. Letting anybody else use your computer.
13. Any exam, test, or pub quiz.
14. Telling a funny story.
15. Meeting up with people.
16. Seeing people you sort of know out in public.
17. Birthdays.
People don't let you organise things after last time.
18. Meeting your friends' parents and forgetting their names even though you've met them 400 times.
19. Checking in on your friends' lives.
20. Trying to remember where you parked your car.
21. Following directions.
