InfidelityInfidelity (synonyms include cheating, straying, adultery, being unfaithful, two-timing, or having an affair) is a violation of a couple's emotional and/or sexual exclusivity that commonly results in feelings of anger, sexual jealousy, and rivalry. What constitutes infidelity depends on expectations within the relationship. In marital relationships, exclusivity is commonly assumed. Infidelity can cause psychological damage, including feelings of rage and betrayal, low sexual and personal confidence, and even post-traumatic stress disorder.
AffairAn affair is a sexual relationship, romantic friendship, or passionate attachment in which at least one of its participants has a formal or informal commitment to a third person who may neither agree to such relationship nor even be aware of it. A romantic affair, also called an affair of the heart, may refer to a sexual liaison or more emotional relationship between two people who may have sex without expecting a more formal romantic relationship, an affair is by its nature romantic.
