Friendships may involve some degree of transitivity
. In other words, a person may become a consort of an existing friend's friend. However, if two people have a sexual relationship with the same person, they may become competitors rather than friends. Accordingly, sexual behavior with the sexual partner of a acquaintance may affliction Interracial Dating the friendship (see love triangle). Sexual relations between two friends tend to alter that relationship, either by "taking it to the later level" or by severing it. Sexual partners may also be classified as friends and the sexual relationship may either enhance or depreciate the friendship.