These people will have dates on a regular basis, and they may or may not be having sexual relations.

Your grandfather married the girl next door, and your mother tied the knot with her college sweetheart. But in the last half century, we've seen lots of changes: interracial and interfaith couples, gay and lesbian couples, and the older woman with the younger man -- a union that mirrors the older man-younger woman pairing.
But you may very well find your mate through the Internet or in a neighboring cubicle. Now, according to experts who spoke to Web MD, a 21st century union may involve a couple that falls in love at work, now that the office romance is losing its stigma.
I checked the website Eater for its Heat Map, which includes new, tasty restaurants in the city. The stunning fact remained: it was quicker for my dad to find a wife than it is for me to decide where to eat dinner.
This kind of rigor goes into a lot of my decisionmaking.
The first girl, he said, was “a little too tall,” and the second girl was “a little too short.” Then he met my mom. Let’s look at how I do things, maybe with a slightly less important decision, like the time I had to pick where to eat dinner in Seattle when I was on tour last year.
He quickly deduced that she was the appropriate height (finally! First I texted four friends who travel and eat out a lot and whose judgment I trust. Finally I made my selection: Il Corvo, an Italian place that sounded amazing. (It only served lunch.) At that point I had run out of time because I had a show to do, so I ended up making a peanut-butter-and-banana sandwich on the bus.
the fall of 1964, on a visit to the World’s Fair, in Queens, Lewis Altfest, a twenty-five-year-old accountant, came upon an open-air display called the Parker Pen Pavilion, where a giant computer clicked and whirred at the job of selecting foreign pen pals for curious pavilion visitors. Within a year, more than five thousand subscribers had signed on. It would invite dozens of matched couples to singles parties, knowing that people might be more comfortable in a group setting. They wound up in the pages of the New York subscriber.
You filled out a questionnaire, fed it into the machine, and almost instantly received a card with the name and address of a like-minded participant in some far-flung locale—your ideal match. He called up his friend Robert Ross, a programmer at I. M., and they began considering ways to adapt this approach to find matches closer to home. “This loser happens to be a talented fashion illustrator for one of New York’s largest advertising agencies.
Or a couple might be in a commuter marriage, conducting their long-distance relationship through phone calls and web cams.
Or an Indian engineer in Baltimore may log on to an Indian matrimonial site and find the woman of his dreams -- a dental student in Bangalore.
Whether it’s where I’m eating, where I’m traveling or, God forbid, something I’m buying, like a lot of people in my generation—those in their 20s and 30s—I feel compelled to do a ton of research to make sure I’m getting every option and then making the best choice.