Keep cigs (and butts!) away, chew gum or candy, and just try to stay otherwise occupied.
It can be done, lots of people do it!
The first day, I went on a cleaning spree... Cleaned the kitchen, organized my main room, cleaned the bathroom, vacuumed, did everything except my bedroom...
Today I went on the bike ride, did homework, played video games, and just kept my mind off of it as much as I could... I think tomorrow I am going to inflate my bike tires (they were low today) and go for like a 2 hour bike ride if i can figure out a 2 hour route... todays was only 2 miles, and I hauled ass and it only took like 10 minutes... lol... of course I have no idea, because I walked to my bike (12 minutes) came back, tightened my left side pedal, and then took off... so the true bike ride I have no idea on how long it took... I know i went like half the distance I walked with a female friend and her dog the other day... but that took an hour... lol