It is wrong to expose others to second hand smoke.
Terry is in his house with his son who had asthma.
Terry wants to smoke a cigarette.
Terry steps outside of the house to light up his cigarette and smoke.
Terry lights up a cigarette while sitting in the same room as his son.
Terry's son is able to breathe comfortably as he is away from the smoke.
Terry's son breathes in the smoke and has a bad asthma attack.