1. They're one of the first few people you call when something happens (good or bad)

2. You share clothes when you want a cute outfit

3. Their problems are yours and yours are theirs

4. You deal with family drama together

5. You will drop anything for them

6. You've been through the same things because you're so similar

7. You can relate to them about almost everything

8. You like the same food

9. You have the same morals

10. You know what's going on in their lives even when you don't talk every day

11. You can't wait to see them when you come home from college

12. Your childhood memories wouldn't be complete without them

13. You're friends with their friends

14. They're in your home videos

15. You gave them a candle at your sweet sixteen (or Batmitzvah)

16. There are no other people you'd rather spend holidays with

17. Your parents used to dress you the same

18. You can be your complete self with them

19. Family vacations are the best

20. They are there for all of your important moments

21. People always say you look alike

21. Your summers are spent with them

22. They would never judge you

23. You wouldn't be who you are without them