There are two kinds of people in this world: Directioners and everybody else. If you're a Directioner, you spend your days dreaming about what it'd be like to date Harry Styles, infinite scrolling the 1D hashtag on Tumblr, and @ tweeting the boys constantly. Don't worry; we understand you.
There are certain things that only us Directioners truly get, so we decided to round up 10 things that only hardcore One Direction fans can appreciate.
Are you the biggest Directioner ever? Click through the gallery to see 10 things only 1D fans understand. Tell us in the comments: What other things do only Directioners appreciate?