why women cheat
Both men and women cheat for a variety of reasons—due to problems in a relationship, or a need for intimacy, or because they have a high sex drive, just to name a few (see why people cheat).
But when focusing on sex differences alone—differences based on biology—men and women cheat in different ways. Men are more likely to cheat opportunistically. That is, they cheat more often and with someone who may be less attractive or desirable than their current partner (see why men cheat).
Women, by comparison, tend to cheat more selectively. Women tend to be more flirtatious, take more risks, and act in sexually provocative ways when they are ovulating (see Thornhill & Gangestad, 2008). Women are also attracted to more masculine and physically attractive men when ovulating (see Thornhill & Gangestad, 2008).
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