10 Things Not to Do if You Want Someone to Stop Smoking for Good
2: Don’t Nag, Nag, Nag

Nagging about smoking is not only ineffective, but it can also damage the relationship. Smokers are unlikely to quit because they feel constantly badgered about it. Studies from the American Cancer Society show that nagging can push smokers to light up more frequently to escape the stress caused by repetitive complaints. Instead, offer support without becoming a nagging presence.