You can gently encourage someone who smokes to quit. Think of your comments about smoking as only one event that moves that person toward quitting.
Family and friends are a valuable source of support and motivation for a person who is trying to quit smoking. People who have already quit are an even greater source of comfort and can offer tips for success.
If a person who smokes asks for your support while trying to quit, you can:
Most people try to quit smoking many times before they are successful. Don't give up your efforts. If the person you care about fails to quit, you can:
WebMD Medical Reference from Healthwise