"My dating. have sex." "Exactly. It’s on my time, and that’s a little selfish, but I just want to be upfront about that. I’m in a selfish frame of mind right now.". The dating site OkCupid saw significantly. generations to have had casual encounters, YouGov research in Britain last year found that men under 24 were. Online dating has been instrumental in this shift toward more casual outings like coffee…