That's not my experience. I was a heavy smoker for over 15 years (around 2 packs a day); then I quit. It was hard. Extremely hard. In fact I stayed in bed for 2 weeks because I didn't dare stand up and go into the world, and I couldn't think of anything else.
But after the withdrawal symptoms receded, that was that. It was over. I can't even remember what it was that I liked about it.
Of course that's just me, and experiences differ. But quitting smoking is its own reward, and I don't mean physically or health-wise. You're free! You don't need to spend time thinking about where the nearest tobacco shop is and if you have enough change to buy more cigarettes to get through the night.
I would argue that if you need to reward yourself every year for quitting, you didn't actually quit. You stopped putting cigarettes in your mouth, but you're still a "smoker".