I want to be different than the other people in my cl!!!?

Hi, my name is Amanda Hollis I am 12 years old.I am American but I live in Sri Lanka(witch is in Southern Asia)And I am allready different but when I go back to the USA I dont want to be like all of the girls that try to get boys all the time and like to impress people all the time,I want to be uniqe and different.I dont want to be all concerned on what I am going to wear that day.I want to be funny and happy!!!