The physical component can be anything from kissing to intercourse.
Adolescents, emerging adults, men and women engage in hookups for a variety of reasons, which may range from instant physical gratification, to fulfillment of emotional needs, to using it as a means of finding a long-term romantic partner.
The authors go on to say that college students now report more hookups than first dates.
The authors define a hookup as an encounter between strangers or passing acquaintances with no expectation of commitment.
People are marrying and beginning families at ages later than previous generations while becoming sexually mature at an earlier age.
As a result, Garcia and other scholars argue that young adults are able to reproduce physiologically but are not psychologically or socially ready to 'settle down' and begin a family.