1. You know who you are

2. You're young enough to become who you want to be

3. You're old enough to remember the '80s, but too young to have much photographic evidence that could be used against you later

4. Any embarrassing photographic evidence can always be blamed on being too young to know that feathered bangs, perms, and stirrup pants weren't attractive

5. You no longer get carded all the time

6. It's flattering when you do get carded

7. You're still part of the critical 18-35 retail and media target set (phew!)

8. You've finally outgrown that adolescent awkwardness

9. A few more years and you'll be old enough to run for president!

10. Two words you never said in your 20s: Disposable Income

11. You have a real job. With business cards

12. You've been promoted in your real job

13. People in their 30s get more respect

14. Sometimes you think Bridget Jones's Diary was actually based on your life (this is a good thing-she gets Mr. Darcy in the end!)

15. As one of our guy friends recently commented, women in their 30s have their act together; until then, they're still solidifying

16. You're old enough to remember the Cold War, but not so old that you have baggage because of it

17. You remember when the Berlin Wall fell

18. You feel comfortable in your own skin

19. You're at the perfect age to own a home, be a parent, and have a retirement plan, and you like that

20. You're not too old to go to a Greenday concert in a short skirt and stay out until 3am

21. Confidence

22. 31 is too young to have a mid-life crisis

23. 31 is old enough that you can still blame your anxiety on a mid-life crisis

24. The positive cosmic energy surrounding the numbers 3 and 1 bodes well for your 31st year

25. Insert your reason here: What do YOU like about being 31?

26. You get great discounts on movies and car insurance, and free checking too. Oh wait, that's age 61

27. You remember when cartoons were actually quality television

28. Our generation is breaking through glass ceilings, redefining gender roles in the home and in the workplace, and proving what women have known all along: "Anything men can do, women can do better."

29. Hilary Swank, Alannis Morissette, Leonardo DiCaprio, Chad Kroeger, Penelope Cruz, Christian Bale, Seth Green, Robbie Williams, Jewel: all 31

30. Proud to belong to Generation X

31. Every age is our favorite age