A little Q&A with The People's pharmacists confirms that increased libido is a known side-effect of bupropion, an antidepressant prescribed to help people stop smoking. (You've probably heard of it as Welbutrin or Zyban.)
It seems to me that quitting smoking – the hardest addiction to kick, I've heard – might increase your zest for a lot of physical activities, including sex. Your senses of smell and taste return, for one thing, and you also taste and smell better yourself.
I guess the old joke about having sex instead of cigarettes – "... and we each lost 30 pounds!" – is more true than we thought.
