12 slight signs your casual fling is mostly about to be severe Casual relationships are pretty prevalent nowadays, but even although you're both trying to keep it easy, there are particular and naive times where it may in fact be simply the other, Helen Fisher, anthropologist, a senior research other at The Kinsey Institute and co-director of Match's yearly Singles in America study, told INSIDER. In accordance with Match.com's Singles in the usa web site, out from the 55% of singles who may have had a friends-with-benefits relationship, 45% of those have actually had it developed as a relationship that is full-fledged. ...