You do not smoke, and cannot even stand the smell of cigarettes. One day, your best friendbrings her fiance to meet you at your room. Then, he lights up a cigarette without asking permission and asks for an ashtray. You are in a dilemma, because you have just met him, and your freind is about to marry him. You are irritated at his rudeness, and have no intention of allowing him to smoke. Trying to be tactful, you say"......................