1. They help you overcome obstacles
2. And make the perfect co-stars
3. They assist you with annoying chores

4. And feel bad about their mistakes
5. They energize you

6. And keep you company

7. They cheer you on in victory
8. Share your sadness in defeat
9. And sometimes let you go first
10. They help you look your best
11. And they're the only ones who truly understand your parents
12. They don't change much over the years

13. From the moment they first meet
