I smoked for 25 years. I quit several times only to start again later. I was also a closet smoker for years. I finally kicked the nasty habit 6 years ago and bought a bicycle to help me keep the weight off. Little did I know how addicted I would get to the bicycle! I traded an unhealthy habit for a healthy one. Six years later I'm no longer smoking but I'm still bicycling and hope to for the rest of my life!