7. When you're the first one to get married.



Jealousy could raise its ugly head.

8. When you're sloshed.



A true friend will hold your hair back when you throw up.

9. If you're buying them a present.



It's your best friend's birthday and you want to see them smile. Do you act cheap and forward them a gift, or do you actually make an effort to buy a gift or make one?

10. When you call at 4 AM.



If a friend picks up your frantic calls without whining about the time, congratulations. You have found yourself a friend for life.

11. When you're not moving on from a bad breakup.



If you have friends by your side, you can get over on toughest of breakups!