What's it like to smoke?

It seems that everyone's addiction to cigarettes is different. I have been smoking for seven years. If I am addicted to cigarettes, I won't be irritable, chest tightness, itchy and crazy. If I have to describe it, it is very similar to the feeling of thirst. It is very hot in summer. I was particularly thirsty after playing football. I looked everywhere for water to drink, and a sip of ice water would refresh me. That's pretty much what it feels like.