<P> Certainly, having sex on a first date can be a death knell if your partner decides that a one - night stand is all he is after . On the other hand, many happy couples broke that rule of no sex on the first date and have been together for years . </P> <P> However, where the people involved have regular sexual relations without romantic involvement, this is generally considered a casual sexual relationship, which is distinct from a one - night stand . Such a relationship may be called one with' no strings attached'; the people involved may be called' friends with benefits' . </P> <P> It has been noted that the one - night stand is the most common form of infidelity and is often used in research, polls and surveys to define the level of promiscuity in a society at any given time . It has also been suggested that such an act can be as threatening to a relationship as a long - term affair: </P> <P> A one - night stand can be more dangerous than finding a lover with mutual considerations . This scenario is good for the business traveler who has the odds in his or her favor; however, it is very important to know with whom you are getting into bed, even for just one night . No one should be exempt from causing you a problem, no matter the distance or circumstance . A one - night stand is still a form of infidelity and can be just as damaging for you and your partner if discovered . </P>

Where does the phrase one night stand come from