I never talk at school since kindergarten to year 6 im in year 7 now what will people thhink of me?

well i didnt talk at all i dont know why but when im at home ima chatter box what will people think of me??? i didnt talk at all from kidnergarten to year 6 im in year 7 now 2011?? what will my new friends in year 7 think of me what will others think of me and what do i do??