1. You both have enough embarrassing old photos of each other for a lifetime's worth of blackmail.
2. And you have a load of secrets that can never see the light of day.
3. You basically speak in a secret language because you have so many in-jokes.
4. Half your conversations involve telling cringe anecdotes from when you were younger.
5. And if one of you doesn't remember something, the other one gets very offended.
6. You never have to hold your tongue when you're together; you can say exactly what you mean.
7. And you can tease each other as much as you like and know you'll still be friends.
8. But they also know how to give the perfect compliment to make you feel your very best.
9. You have no boundaries with each other, and they are always your number one amateur doctor.
10. You never have to hold your farts in around them.
11. One of you peeing is never a reason to stop a conversation.
12. And you don't hold back details about any other bodily functions either.
13. You are 100% happy just sitting in silence together, or having fun looking at your phones in the same room.
14. You know every detail about each other's sex lives.
15. At first you were super jealous of all their new work or university friends.
16. You are practically part of their family because you spent so much time at their house growing up.
17. You can make each other get the giggles more than anyone else.
18. If one of you moves away for a while it doesn't actually affect your friendship.
19. And when you're finally together again it's like nothing has changed.
20. When people tell you to keep something secret you assume your best friend doesn't count.
21. You know exactly how to cheer each other up when one of you is having a bad day.
22. You've been through all the weird, awkward teenage phases together.
23. And you can't wait to be old ladies together.
