[makeitdouble]

The grass looks greener because the article depicts a reality that follows TV plots and comics.

In practice teenagers are horny and will fuck around if they can, and their relationship can be as blurry. Same for adults going to bars and having one night stands, or ducking it out while drunk after a party and being in limbo trying to to sort it out for weeks afterwards.

Same for online dating of course, wanting to be sure the alchemy is there before mentally commiting isn't some culture's exclusive trait.