i'm not who you think i am

I noticed that people in class keep thinking that i'm the best in math cause i got A math background and i scored well for common test for last year.. people think that i'm always a happy person because of my laughter that lighten their mood and i'm always smiling but its all in the past.. don't look at me the person you hope me to be, for i wouldn't be able to meet your mark.. people think that i am a indian chief in class is because i couldn't help it but trying to cover the dirt of the one who is not really bringing the group to what is expected from what others expect, not because i would like to show off what good leadership skills i have.. don't treat me like i'm a happy, cheerful type of person.. i'm sorry for you to expect that i'm someone that is good..