When you're young, you tend to think of 30-year-olds as being "adults." They're mature, professional, and have all the answers to anything you could ever possibly need to know.
Then, when you turn 30, you realize that's a complete crock of shit, and most days you still have trouble remembering where you put your car keys. For those who hear me all too well, check out these tweets about being in your 30s that are totally relatable.