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Bullshit. Quitting caffeine (multiple caffeinated drinks a day) was far, far easier than quitting cigarettes (a pack and a half a day).
Re-read the paragraph you just quoted. I clearly specified that the statement was about nicotine only, not cigarettes.
Cigarette smoke contains over 9000 chemicals besides nicotine, some of which are added specifically to increase the addictive properties.
I also said physically addictive, not mentally addictive.