Talking with someone who has an expertise, talent or consuming passion for their hobbies or career is a huge turn-on...but I'm just about as happy to trade barbs and banter about nothing at all...
I'm pretty good at creating, curating and curing awkward situations and pauses.
I'm very happily married and I anticipate remaining that way until the day I die or March 10th, 2019...whichever comes first. Not looking for anything to disrupt or supersede that; just browsing for folks with similar interests who might be up for wandering around, grabbing drinks, chattering, catching an occasional show, random adventuring, etc...all sorts of strictly-platonic good times.
As I've gotten older, I've simply found myself with fewer and fewer organic opportunities to meet new people...hence, internet.
And yes, my better-half is well aware that I've got an OkCupid account. It was actually her idea.