Young people generally start smoking because their friends smoke. Almost half of our young people have at least one parent who currently smokes. If your parents smoke, you are more likely to smoke. Learn about tobacco addiction and share the information with your friend. Offer information about treatment possibilities.
Nicotine addiction takes time to develop.
Recovery does not happen overnight. Setbacks and relapses can happen. Try to accept them with calmness and understanding. Don't try to punish, threaten, bribe, or preach to your friend. Don't be a martyr.