When you were young yourself, you probably spent a fair amount of time defending yourself and your peers to the older generations:
But lo and behold, the day has finally arrived when you are beginning to realize that those people weren't as old as you thought. Actually, you kind of understand their logic now, just like they always said you would.
On a daily basis, you see teenagers walking around in clothes that you find completely ridiculous. You can't possibly understand the allure of Justin Bieber. You're weirded out that kids as young as two now have their own cell phones.
You are turning into your parents and grandparents. Isn't that a terrifying thought?
If you think that makes you old, click through this gallery for some more insights into just how old you really are!