how can i achieve my goals :S

by Dana
(KSA)

hiii , i'm Dana
i really want achieve what i want in my life ,
my father sent this site to me that becouse he really want to proud of me even my mother , :)
i always got 100% in my shcool
i'm in the secondary school now ,
want your help pleaaaase
i said that i want to be a Surgeon or i dont know
i don not have something that i really want to study it
i'm Hesitant
i like Chemistry subject and also Physics :S
wanna your opinion please

Thank you ,

best wishs for you all :)