I smoked so much from 14 to 20 it was crazy. Especially from 18 to 20. I had a job where i was bored and i would just smoke all day. I eventually quit when i was 26, and learned that i don't really have an addictive personality, or i necer really liked smoking that much, whatever. I just stopped buying cigarettes and never touched one again.

But seeing my sister getting back to smoking after she quit when she was pregnant for about 5 years is soul crushing. She quit like 10 times in her life and will probably die smoking.