While he goes into detail on the teen study to illustrate the point, his sources at the bottom are much broader. ...but it's important to note that male/female

While he goes into detail on the teen study to illustrate the point, his sources at the bottom are much broader. ...but it's important to note that male/female relationships and preferences often form in the teenage years and persist for the bulk of the dating years. So I would argue that teen studies are very reflective of the general dating population, though I agree that things have certainly changed over my aging decades.