1. When someone says something that reminds you both of an inside joke:
2. When they have to go somewhere boring without you:
3. When you borrow each other's stuff so much you're not even sure what belongs to who anymore:
4. When you have to go back to your house after hanging out all day:
5. When you meet your best friend's other friend:
6. When you get into a teeny-tiny fight:
7. When you know memories are more important than personal safety:
8. When your best friend is giving a presentation:
9. When you catch them talking to a person YOU KNOW they know you hate:
10. When you can't stop singing their praises to everyone you meet:
11. When your best friend starts dating someone:
12. When they post a selfie and there aren't enough likes in the world to show your appreciation:
13. When you have to go to a party without them:
14. When you have to do ANYTHING without them:
15. When someone criticizes them and it takes every fiber of your being to remain calm.
16. When someone tries to act like they know more about your BFF than you do:
17. When you see them talking to their crush:
18. When they go on vacation:
19. When you're prouder of their accomplishments than your own:
20. When you'd do literally anything for them:
21. And finally, when someone tries to call your best friend their best friend:
