Buzz·Posted on 24 Oct 201622 Things Sisters Who Are BFFs Will Totally GetYou will defend each other without knowing what exactly you're defending.by Tabatha LeggettBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. You will stick up for your sister before you even know what she has done. 2. And as soon as your sister tells you she hates someone, you automatically hate them too. Tap to play GIF Tap to play GIF 3. You have endless in-jokes that you don't remember the origins of. Tap to play GIF Tap to play GIF 4. And there are some words that send the two of you into fits of hysterics. Tap to play GIF Tap to play GIF 5. You can describe the "vibe" of someone to each other and instantly know that your sister will understand what you mean. Tap to play GIF Tap to play GIF 6. Sometimes you get so proud of each other that you exaggerate your sister's achievements to your friends. 7. You proof read literally every piece of writing that your sister does. View this photo on Instagram 8. Because you know each other so well, you know exactly how to hurt each other's feelings. 9. But even though you have the most horrendous fights, you always make up immediately afterwards. Tap to play GIF Tap to play GIF 10. And you also know how to give each other the perfect ego boost. Tap to play GIF Tap to play GIF 11. You can accurately predict how every possible event will make your sister feel. Tap to play GIF Tap to play GIF 12. And you always know what's going on because you keep in touch via a constant WhatsApp thread. View this photo on Instagram 13. You know you can bitch about your other family members to your sister without it going any further. Tap to play GIF Tap to play GIF 14. And you can eat a frankly embarrassing amount of food in front of each other, safe in the knowledge that you won't be judged. View this photo on Instagram 15. There are some TV shows and movies that you will always find comforting to watch together. 16. You can voice your nastiest thoughts to your sister. Tap to play GIF Tap to play GIF 17. And you tell her every secret you ever hear, even if she doesn't know the people it's about. View this photo on Instagram 18. You fantasise about being each other's maid of honours all the time. View this photo on Instagram 19. You much prefer visiting your parents if you know your sister is going to be there too. 20. Sometimes you kinda wish you were twins. 21. Because you can literally spend any amount of time with your sister and never get bored. View this photo on Instagram 22. And you know that no matter how good your friends are, your sister will always be your number one. Tap to play GIF Tap to play GIF