Recently, whenever I have been in contact with cigarettes or cigars, (Seeing them or touching them; I have readily available access to cigarettes/ cigars as both my parents smoke.) I feel the need to smoke one. The smoke from a cigarette or cigar never bothers me as it used to. It's actually quite stimulating.I am never able to, but I feel that if nothing is done and the oppurtunity arises, I'll do it. What advice can you give?

P.S: Is the tendency to smoke genetic? Because my father USED to smoke but he's over in Europe. My mom and step dad are acive smokers, but they never smoke in front of me. I apologize if I've been rambling)