I smoked daily/occasionally from 15- about 22. Never a big smoker by any means but quitting was hard
I turned my addiction to food so whenever I wanted a smoke I would eat WHATEVER I wanted. I was munching down teen burgers, ice cream, chocolate bars right left and center. Sure I gained about 10 pounds in 3 weeks but then I just started running it off.
One thing led to another and I got addicted to Running then that slowly moved to weight training. Its been about 3 years now of being 99% smoke free (once in a blue moon when I drink I have a couple) and I feel great. Sure if I don't workout 3-4 times a week I get pissy like when I didn't smoke but I rather have that then be a smoker.