The health is indeed the most important thing in the life. When someone wishes
a happy New Year, he wishes as well a good health ! The health must be kept
well, so you can answer to the aggressive smoker that you would give him a bad
service if you let him smoke.

If he thinks the ban to smoke affects his "freedom", please, say to him that
if he had a little more worked at school, he would have learnt in the course of
philosophy what means the word "freedom" and would have heard this Spinoza's
quotation : "The drunkard believes to say by a free decree about what he would
after have wanted to keep silent". So when the human being is subjected to
drives, he believes to be free by following them, while he is governed by
forces outside his free will. Indeed, the urge to smoke is due to a dependence,
thus to a force against the free will of the human person. It is the drug of
the cigarette that is an infringement on the personal freedom, not the ban to
smoke!
Let a smoker smoke, it means letting a child play with matches. If really he
was an adult and a responsible, he wouldn't smoke.

A psychological study showed that a woman who smokes tries to find in the
cigarette a substitute in the male penis.

The smoker has in common with the one who doesn't wash himself the LACK OF
HYGIENE. Now the one who doesn't wash himself is, in most of the cases, not
concient that he hurts, while the smoker knows that he hurts.

A smoker continues to smoke although he knows that it hurts to himself. Now a
person who is inclined to hurt is also inclined to hurt the others, then...

A proverb says that someone can't like the others if he doesn't like himself.
Because the smoker does not like itself himself, he can't like the others.