Here are some headlines for you:
1.Everybody has his own personality,advantages and disadvantages.
2.You're special,and you're essential part of the world.
3.You have your own advantages that anybody else doesn't have.
4.Imitating others is a silly thing.You don't know somebody may be imitating you while you're imitating others.
5.Don't be a copy of others,just be yourself.