It is crazy really, this pressure put on everyone to define exactly who they are. What you makes you unique, special, different from the hundreds of other people with the same age or hair colour or even who share your name?
Is it the bands you listen to and the albums you buy? The concerts you attend and the posters you display on your bedroom walls - telling anyone who comes in: This is me, this is what I like, therefore this is who I am.
Is it the books you read, films you watch or TV you like? Is it the characters you care about or the movie adaptations you slate for being "nowhere near as good as the book!"
Is it the social media you use - Facebook, Twitter, Instagram, Snapchat, the list soon to be never ending? The photos you share, the things you retweet, the blog you write too infrequently?
Is it your friends, the memories you share and the things you have in common? Is it your family, your interests, pets, favourite colours and smells, way you drink your tea or coffee or whether you drink it at all? Or whether you drink or smoke, whether you love going out or prefer staying in, whether you are one of the loud, chatty ones, or the one they always say "needs to speak up a bit more?"
Is it whether you like science and numbers or would rather be reading and writing? Is it if you want to go to university, or get a job or start a family or have no idea at all?
Is it all of these things? All of them and the many millions more that go into making up a person: a completely unique individual. Exactly like everyone else - with skin and lungs and legs and eyes - but at the same time a total original, never again to be repeated genetic fluke.
What is about society that insists we have to know the answers to all of these questions. What if the choices you make change, the stuff you used to love no longer makes you happy? Have you changed who you are? Why do I have to define who I am right now, when I and everyone I know are all still trying to work it out?