[PerceivedToBe]

You may be not aware that smokers are the most irritating azzholes to non smokers. I am not aware of this when I was a smoker. Now after I stopped smoking for more than 25 years, my sense of smoke is very sensitive. I can smell the offensive smell of a smoker when he walked past me. More irritating is when they walk on the street smoking away. Seriously if there is no rule of law I would have slap quite a number of them smoking in non smoking area. Just to let you know so that you are more considerate and think of others who dun smoke when you light up.......

within built-up high-rise residential domain,  cigarette smoke affects those residing on upper floors while cigarette butts and ash litter and cause potential fire hazard to dwellings below...