You are forced to buy their products in order to support your addiction. Many people don't realize they are addicted to smoking. The think they can easily quit any time they want. But when they try, they forget it is extremely difficult. Unfortunately, it is very easy to get addicted.
Cigarettes are just as addictive as cocaine or heroin.
Even if you only smoke one or two cigarettes a day and even if you've never bought a pack of cigarettes yourself, you are at risk. Stressful situations or hanging out with friends who smoke might cause you to increase the number of cigarettes you smoke and become addicted. Try going a whole week without smoking at all. If you find this difficult, you are probably addicted to cigarettes. Many people are afraid to quit smoking because they think they will gain weight.