It's easy, pretty much every knows what that means, and if for some reason they're confused, I say, "You know Carrie in Sex in the City?
In France however, there's no such thing as a dating columnist.
Within a few minutes of meeting in an Irish pub, the lady of the couple asked, "So, is dating a construct of Hollywood? These were the most pressing questions my friends back home wanted to know, so I went out in discovery of answers.
"I learned a lot while in Ireland (and France, Belgium) about romance and relationships, and you can read all about my adventures elsewhere (see: What Does Shifting Mean in Irish Slang, and Dating in Ireland).
First, I had to come up with a way to describe what I do for a living.
In North America, I say I'm a dating columnist.