Buzz·Posted on 15 Jul 201521 Things All Sisters Who Are Best Friends Will UnderstandBFFs for life.by Sophie GaddBuzzFeed Staff, UK LinkFacebookPinterestTwitterMail 1. She's the first person you call when you get some exciting news. 2. And you message each other constantly the rest of the time. Georgie-Ann @georgieannb My sister text me first then didn't reply so it resorted to this. 02:24 PM - 18 Feb 2014 Reply Retweet Favorite But you get really worried if she doesn't reply immediately. 3. You send each other your most unattractive selfies. lex ♛ @LexMorgan4 My sister called to tell me how unattractive I looked in my selfie Sunday yesterday #blessed missed you too sis :-) 05:12 AM - 27 Jan 2015 Reply Retweet Favorite Only a sister could appreciate them. 4. And you can eat whatever you want in front of each other without feeling judged. 5. It’s impossible to keep secrets from each other. Tap to play GIF Tap to play GIF 6. Because you both know about all the embarrassing things you did as a teenager. Tap to play GIF Tap to play GIF 7. And those awful coordinating outfits you wore back in the day. Tap to play GIF Tap to play GIF 8. You’ve definitely covered for each other in the past. 9. And you've always got each others back. View this post on And you'd do anything for each other. 10. You talk about all your relationship dramas together. 11. And you're both always up to date with all the gossip about each other’s friendship group. Tap to play GIF Tap to play GIF 12. She's the only person you go to for honest fashion advice. 13. You both kind of hate it when you borrow each others clothes. 14. But you still keep doing it anyway. Tap to play GIF Tap to play GIF 15. She’s the only person you can have a ridiculous argument with and then make up immediately after. 16. You often spontaneously burst into song together. Tap to play GIF Tap to play GIF 17. And you have loads of silly in jokes that nobody else would understand. Tap to play GIF Tap to play GIF 18. She's the only one who gets how ridiculous your family is. 19. And you can make each other laugh just with eye contact. Tap to play GIF Tap to play GIF 20. Even though you drive each other mad some times. 21. You wouldn't change each other for the world. Tap to play GIF Tap to play GIF