We always hear about why MEN cheat, now here is some info about why Women do:

6 Reasons Why Women Cheat
By Norine Dworkin-McDaniel, Special to LifeScript

Why? The easy answer is that women today have the same opportunities to cheat as guys always did, says Dr. Nancy. Not only do working women have the chance to mix and mingle with would-be lovers (both in the office and on business trips), but the Internet is filled with chat rooms and websites like AshleyMadison.com and AffairMatch.com that blatantly court married men and women looking for a little something on the side.

Even so, it takes more than mere opportunity to get a gal to slide between someone else