<prompt> A man taking 20 cigarettes per day, staed coughing, his family suggested quitting cigarettes. He is ready to quit but think that quitting will make him irritable, the best health planning model followed is:Cost and survivalPersuationPrecontemplation and preparationBelief  <response>: C. i..e Precontemplation and preparation- A chronic smoker is aware that a problem of smoking exists and he is seriously thinking contemplating about overcoming it but has not yet made a commitment to take an action as he is reluctant. So the patient is in the contemplation stage of behavior change. He reached this stage bo pros-cons gain - loss benefit-cost analysis regarding his sickness susceptibility not cost factor i.e. chronic cough.- Miller and Rollnicks Motivational enhancement therapy MET using transtheoretical model of change for quitting problem behavior habit such as smoking alcoholism, drug addiction or eating disorder anorexia has 6 stages wheel of change proposed by Prochaska and C. DiClementi- pre-contemplation, contemplation, preparation, action, maintenance, and relapse prevention termination. 