Help please, i want to smoke but im only 14...?

geez ok, im going to post this just cause i need help, im a 13 y/o girl, im turning 14 on Sunday (YAY lol) and i have to admit i kinda have a craving to smoke, no i have never smoked, no one in my family smokes except my dad but he smokes cigars not cigaretes, my Grandma does, my aunt does, my uncle does but they tell me i shouldnt, so do my friends that smoke (who are like 22+, their fam friends) are always telling me not to..but i cant help but want to, i know i shouldnt, i know i should wait and i plan on it, but heres the catch i homeschool and im going to school this year (first year of highschool ugh) and i mite be going to Public not Private sooo obvs ill prob be offered a cig every now and then...i just need help to convince me not to PLEASE...im acually embarred posting this, my parents dont know, neither does my sister...no one does...plz help :[ thanks...