Just be yourself! You don 't need to copy others' looks or their characters. Your soul is unique! You don 't have to like someone if you don't want and they don't have too. You can be inspired but not a copy. Everyone has something special. EVERYONE!
Also, don't call yourself garbage or "a nothing" . You can't to that! You are great, important, grand and many others.
If there is someone who thinks that you are nothing you have just to ignore him.
To finish I just tell you to love someone for his heart, not for his appearance. We are growing up. After some years we won't be as beautiful as we where a long time ago. So, we should try to have the most beautiful heart!

(NOTHING IT'S IMPOSSIBLE, THE WORD ITSHELF SAYS 'I'M POSSIBLE!'