Tiger Woods is back in the limelight, this time, after having fired Steve Williams, the man who had been his caddie, close friend and confidant for the past 12 years and 200+ golf tournaments.

The Tiger Woods/Steve Williams split reminds us of another Tiger Woods “divorce.” Less than two years ago, Woods was involved in a sex scandal that inevitably led to his much-publicized divorce from Elin Nordegren. His sex addiction was front page news and the object of a media circus.

But what is a sex addiction, really, or any addiction for that matter? Do we really understand what an addiction is?