2.
Screennames like this.
3.
Seasonally colored braces.
5.
Double popped collars.
7.
Elastic waistbanded pants.
8.
Unhealthy teen idol obsessions.
11.
Dousing yourself in Axe.
13.
Spending hours on Photobooth.
14.
Breaking up via text.
19.
Crying during sports.
20.
Laughing excessively everytime you hear the words "poop," "pee," "penis" or "vagina."
21.
And most importantly, making spelling errors.