Without nicotine, theres no chemical hook pulling you back or messing with your focus when you stop
carrying a bouquet of black calla lilies with the spadices (the yellow things in the center of a calla) replaced with cigarettes
Cancer Prev Res (Phila) 5:522527 Mehta AJ, Miedinger D, Keidel D, Bettschart R, Bircher A, Bridevaux PO, Curjuric I, Kromhout H, Rochat T, Rothe T, Russi EW, Schikowski T, Schindler C, Schwartz J, Turk A, Vermeulen R, Probst-Hensch N, Kunzli N, Team S (2012) Occupational exposure to dusts, gases, and fumes and incidence of chronic obstructive pulmonary disease in the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults
Andrew Jacobs, New York Times, March 24, 2011] But there are considerable loopholes