Is this even possible or?

ok so this kinda sounds dumb watever but neways i was out with sum friends the other nite nd sum were lightin up cigarettes and ive never rele smoked one before but for sum reason i had an urge to smoke one rele bad, idk if this helps but both my parents are heavy smokers so im around second had smoke which can b just as bad as smokin but is this a logical explaination as to y i wanted 1??? plz be serious about answerin this, thanx